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Comparative linguistics is a branch of historical linguistics that is concerned with comparing languages to establish their historical relatedness.
Genetic relatedness implies a common origin or proto-language and comparative linguistics aims to construct language families, to reconstruct proto-languages and specify the changes that have resulted in the documented languages. To maintain a clear distinction between attested and reconstructed forms, comparative linguists prefix an asterisk to any form that is not found in surviving texts. A number of methods for carrying out language classification have been developed, ranging from simple inspection to computerised hypothesis testing. Such methods have gone through a long process of development.
The fundamental technique of comparative linguistics is to compare phonological systems, morphological systems, syntax and the lexicon of two or more languages using techniques such as the comparative method. In principle, every difference between two related languages should be explicable to a high degree of plausibility; systematic changes, for example in phonological or morphological systems are expected to be highly regular (consistent). In practice, the comparison may be more restricted, e.g. just to the lexicon. In some methods it may be possible to reconstruct an earlier proto-language. Although the proto-languages reconstructed by the comparative method are hypothetical, a reconstruction may have predictive power. The most notable example of this is Ferdinand de Saussure's proposal that the Indo-European consonant system contained laryngeals, a type of consonant attested in no Indo-European language known at the time. The hypothesis was vindicated with the discovery of Hittite, which proved to have exactly the consonants Saussure had hypothesized in the environments he had predicted.
Where languages are derived from a very distant ancestor, and are thus more distantly related, the comparative method becomes less practicable. [1] In particular, attempting to relate two reconstructed proto-languages by the comparative method has not generally produced results that have met with wide acceptance.[ citation needed ] The method has also not been very good at unambiguously identifying sub-families; thus, different scholars[ who? ] have produced conflicting results, for example in Indo-European.[ citation needed ] A number of methods based on statistical analysis of vocabulary have been developed to try and overcome this limitation, such as lexicostatistics and mass comparison. The former uses lexical cognates like the comparative method, while the latter uses only lexical similarity. The theoretical basis of such methods is that vocabulary items can be matched without a detailed language reconstruction and that comparing enough vocabulary items will negate individual inaccuracies; thus, they can be used to determine relatedness but not to determine the proto-language.
The earliest method of this type was the comparative method, which was developed over many years, culminating in the nineteenth century. This uses a long word list and detailed study. However, it has been criticized for example as subjective, informal, and lacking testability. [2] The comparative method uses information from two or more languages and allows reconstruction of the ancestral language. The method of internal reconstruction uses only a single language, with comparison of word variants, to perform the same function. Internal reconstruction is more resistant to interference but usually has a limited available base of utilizable words and is able to reconstruct only certain changes (those that have left traces as morphophonological variations).
In the twentieth century an alternative method, lexicostatistics, was developed, which is mainly associated with Morris Swadesh but is based on earlier work. This uses a short word list of basic vocabulary in the various languages for comparisons. Swadesh used 100 (earlier 200) items that are assumed to be cognate (on the basis of phonetic similarity) in the languages being compared, though other lists have also been used. Distance measures are derived by examination of language pairs but such methods reduce the information. An outgrowth of lexicostatistics is glottochronology, initially developed in the 1950s, which proposed a mathematical formula for establishing the date when two languages separated, based on percentage of a core vocabulary of culturally independent words. In its simplest form a constant rate of change is assumed, though later versions allow variance but still fail to achieve reliability. Glottochronology has met with mounting scepticism, and is seldom applied today. Dating estimates can now be generated by computerised methods that have fewer restrictions, calculating rates from the data. However, no mathematical means of producing proto-language split-times on the basis of lexical retention has been proven reliable.
Another controversial method, developed by Joseph Greenberg, is mass comparison. [3] The method, which disavows any ability to date developments, aims simply to show which languages are more and less close to each other. Greenberg suggested that the method is useful for preliminary grouping of languages known to be related as a first step toward more in-depth comparative analysis. [4] However, since mass comparison eschews the establishment of regular changes, it is flatly rejected by the majority of historical linguists. [5]
Recently, computerised statistical hypothesis testing methods have been developed which are related to both the comparative method and lexicostatistics. Character based methods are similar to the former and distanced based methods are similar to the latter (see Quantitative comparative linguistics). The characters used can be morphological or grammatical as well as lexical. [6] Since the mid-1990s these more sophisticated tree- and network-based phylogenetic methods have been used to investigate the relationships between languages and to determine approximate dates for proto-languages. These are considered by many to show promise but are not wholly accepted by traditionalists. [7] However, they are not intended to replace older methods but to supplement them. [8] Such statistical methods cannot be used to derive the features of a proto-language, apart from the fact of the existence of shared items of the compared vocabulary. These approaches have been challenged for their methodological problems, since without a reconstruction or at least a detailed list of phonological correspondences there can be no demonstration that two words in different languages are cognate.[ citation needed ]
There are other branches of linguistics that involve comparing languages, which are not, however, part of comparative linguistics:
Comparative linguistics includes the study of the historical relationships of languages using the comparative method to search for regular (i.e., recurring) correspondences between the languages' phonology, grammar, and core vocabulary, and through hypothesis testing, which involves examining specific patterns of similarity and difference across languages; some persons with little or no specialization in the field sometimes attempt to establish historical associations between languages by noting similarities between them, in a way that is considered pseudoscientific by specialists (e.g. spurious comparisons between Ancient Egyptian and languages like Wolof, as proposed by Diop in the 1960s [9] ).
The most common method applied in pseudoscientific language comparisons is to search two or more languages for words that seem similar in their sound and meaning. While similarities of this kind often seem convincing to laypersons, linguistic scientists consider this kind of comparison to be unreliable for two primary reasons. First, the method applied is not well-defined: the criterion of similarity is subjective and thus not subject to verification or falsification, which is contrary to the principles of the scientific method. Second, the large size of all languages' vocabulary and a relatively limited inventory of articulated sounds used by most languages makes it easy to find coincidentally similar words between languages.[ citation needed ] [10]
There are sometimes political or religious reasons for associating languages in ways that some linguists would dispute. For example, it has been suggested that the Turanian or Ural–Altaic language group, which relates Sami and other languages to the Mongolian language, was used to justify racism towards the Sami in particular. [11] There are also strong, albeit areal not genetic, similarities between the Uralic and Altaic languages which provided an innocent basis for this theory. In 1930s Turkey, some promoted the Sun Language Theory, one that showed that Turkic languages were close to the original language. Some believers in Abrahamic religions try to derive their native languages from Classical Hebrew, as Herbert W. Armstrong, a proponent of British Israelism, who said that the word British comes from Hebrew brit meaning 'covenant' and ish meaning 'man', supposedly proving that the British people are the 'covenant people' of God. And Lithuanian-American archaeologist Marija Gimbutas argued during the mid-1900s that Basque is clearly related to the extinct Pictish and Etruscan languages, in attempt to show that Basque was a remnant of an "Old European culture". [12] In the Dissertatio de origine gentium Americanarum (1625), the Dutch lawyer Hugo Grotius "proves" that the American Indians (Mohawks) speak a language (lingua Maquaasiorum) derived from Scandinavian languages (Grotius was on Sweden's payroll), supporting Swedish colonial pretensions in America. The Dutch doctor Johannes Goropius Becanus, in his Origines Antverpiana (1580) admits Quis est enim qui non amet patrium sermonem ("Who does not love his fathers' language?"), whilst asserting that Hebrew is derived from Dutch. The Frenchman Éloi Johanneau claimed in 1818 (Mélanges d'origines étymologiques et de questions grammaticales) that the Celtic language is the oldest, and the mother of all others.
In 1759, Joseph de Guignes theorized (Mémoire dans lequel on prouve que les Chinois sont une colonie égyptienne) that the Chinese and Egyptians were related, the former being a colony of the latter. In 1885, Edward Tregear (The Aryan Maori) compared the Maori and "Aryan" languages. Jean Prat , in his 1941 Les langues nitales, claimed that the Bantu languages of Africa are descended from Latin, coining the French linguistic term nitale in doing so. Just as Egyptian is related to Brabantic, following Becanus in his Hieroglyphica, still using comparative methods.
The first practitioners of comparative linguistics were not universally acclaimed: upon reading Becanus' book, Scaliger wrote, "never did I read greater nonsense", and Leibniz coined the term goropism (from Goropius) to designate a far-sought, ridiculous etymology.
There have also been assertions that humans are descended from non-primate animals, with the use of the voice being the primary basis for comparison. Jean-Pierre Brisset (in La Grande Nouvelle, around 1900) believed and claimed that humans evolved from frogs through linguistic connections, arguing that the croaking of frogs resembles spoken French. He suggested that the French word logement, meaning 'dwelling,' originated from the word l'eau, which means 'water.' [13]
In linguistics, the comparative method is a technique for studying the development of languages by performing a feature-by-feature comparison of two or more languages with common descent from a shared ancestor and then extrapolating backwards to infer the properties of that ancestor. The comparative method may be contrasted with the method of internal reconstruction in which the internal development of a single language is inferred by the analysis of features within that language. Ordinarily, both methods are used together to reconstruct prehistoric phases of languages; to fill in gaps in the historical record of a language; to discover the development of phonological, morphological and other linguistic systems and to confirm or to refute hypothesised relationships between languages.
Historical linguistics, also known as diachronic linguistics, is the scientific study of how languages change over time. It seeks to understand the nature and causes of linguistic change and to trace the evolution of languages. Historical linguistics involves several key areas of study, including the reconstruction of ancestral languages, the classification of languages into families,(comparative linguistics) and the analysis of the cultural and social influences on language development.
Glottochronology is the part of lexicostatistics which involves comparative linguistics and deals with the chronological relationship between languages.
Lexicostatistics is a method of comparative linguistics that involves comparing the percentage of lexical cognates between languages to determine their relationship. Lexicostatistics is related to the comparative method but does not reconstruct a proto-language. It is to be distinguished from glottochronology, which attempts to use lexicostatistical methods to estimate the length of time since two or more languages diverged from a common earlier proto-language. This is merely one application of lexicostatistics, however; other applications of it may not share the assumption of a constant rate of change for basic lexical items.
Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family. No direct record of Proto-Indo-European exists; its proposed features have been derived by linguistic reconstruction from documented Indo-European languages.
The Mande languages are a group of languages spoken in several countries in West Africa by the Mandé peoples. They include Maninka (Malinke), Mandinka, Soninke, Bambara, Kpelle, Jula (Dioula), Bozo, Mende, Susu, and Vai. There are around 60 to 75 languages spoken by 30 to 40 million people, chiefly in Burkina Faso, Mali, Senegal, the Gambia, Guinea, Guinea-Bissau, Sierra Leone, Liberia, Ivory Coast and also in southern Mauritania, northern Ghana, northwestern Nigeria and northern Benin.
The Hokan language family is a hypothetical grouping of a dozen small language families spoken mainly in California, Arizona, and Baja California.
Mass comparison is a method developed by Joseph Greenberg to determine the level of genetic relatedness between languages. It is now usually called multilateral comparison. Mass comparison has been referred to as a "methodological deception" and is rejected by most linguists, and its continued use is primarily restricted to fringe linguistics.
A Swadesh list is a compilation of tentatively universal concepts for the purposes of lexicostatistics. That is, a Swadesh list is a list of forms and concepts which all languages, without exception, have terms for, such as star, hand, water, kill, sleep, and so forth. The number of such terms is small – a few hundred at most, or possibly less than a hundred; the inclusion or exclusion of many terms is subject to debate among linguists, thus there are several different lists, and some authors may refer to "Swadesh lists". The Swadesh list is named after linguist Morris Swadesh.
Merritt Ruhlen was an American linguist who worked on the classification of languages and what this reveals about the origin and evolution of modern humans. Amongst other linguists, Ruhlen's work was recognized as standing outside the mainstream of comparative-historical linguistics. He was the principal advocate and defender of Joseph Greenberg's approach to language classification.
Dené–Caucasian is a discredited language family proposal that includes widely-separated language groups spoken in the Northern Hemisphere: Sino-Tibetan languages, Yeniseian languages and Burushaski in Asia; Na-Dené languages in North America; as well as Vasconic languages and North Caucasian languages from Europe.
Paleolinguistics is a term used by some linguists for the study of the distant human past by linguistic means. For most historical linguists there is no separate field of paleolinguistics. Those who use the term are generally advocates of hypotheses not generally accepted by mainstream historical linguists, a group colloquially referred to as "long-rangers".
Internal reconstruction is a method of reconstructing an earlier state in a language's history using only language-internal evidence of the language in question.
Pseudoscientific language comparison is a form of pseudo-scholarship that aims to establish historical associations between languages by naïve postulations of similarities between them.
In the tree model of historical linguistics, a proto-language is a postulated ancestral language from which a number of attested languages are believed to have descended by evolution, forming a language family. Proto-languages are usually unattested, or partially attested at best. They are reconstructed by way of the comparative method.
Quantitative comparative linguistics is the use of quantitative analysis as applied to comparative linguistics. Examples include the statistical fields of lexicostatistics and glottochronology, and the borrowing of phylogenetics from biology.
The Indo-Semitic hypothesis maintains that a genetic relationship exists between Indo-European and Semitic languages, and that the Indo-European and the Semitic language families both descend from a common root ancestral language. The theory is not widely accepted by contemporary linguists, but historically, it had a number of advocates and supporting arguments, particularly in the 19th and 20th centuries.
Linguistic distance is the measure of how different one language is from another. Although they lack a uniform approach to quantifying linguistic distance between languages, linguists apply the concept to a variety of linguistic contexts, such as second-language acquisition, historical linguistics, language-based conflicts, and the effects of language differences on trade.
The Automated Similarity Judgment Program (ASJP) is a collaborative project applying computational approaches to comparative linguistics using a database of word lists. The database is open access and consists of 40-item basic-vocabulary lists for well over half of the world's languages. It is continuously being expanded. In addition to isolates and languages of demonstrated genealogical groups, the database includes pidgins, creoles, mixed languages, and constructed languages. Words of the database are transcribed into a simplified standard orthography (ASJPcode). The database has been used to estimate dates at which language families have diverged into daughter languages by a method related to but still different from glottochronology, to determine the homeland (Urheimat) of a proto-language, to investigate sound symbolism, to evaluate different phylogenetic methods, and several other purposes.
The Proto-Philippine language is a reconstructed ancestral proto-language of the Philippine languages, a proposed subgroup of the Austronesian languages which includes all languages within the Philippines as well as those within the northern portions of Sulawesi in Indonesia. Proto-Philippine is not directly attested to in any written work, but linguistic reconstruction by the comparative method has found regular similarities among languages that cannot be explained by coincidence or word-borrowing.