In grammar, the vocative case is a grammatical case which is used for a noun that identifies a person being addressed or occasionally for the noun modifiers of that noun. A vocative expression is an expression of direct address by which the identity of the party spoken to is set forth expressly within a sentence. For example, in the sentence "I don't know, John," John is a vocative expression that indicates the party being addressed, as opposed to the sentence "I don't know John", in which "John" is the direct object of the verb "know".
In linguistics, lenition is a sound change that alters consonants, making them “weaker” in some way. The word lenition itself means "softening" or "weakening". Lenition can happen both synchronically and diachronically. Lenition can involve such changes as voicing a voiceless consonant, causing a consonant to relax occlusion, to lose its place of articulation, or even causing a consonant to disappear entirely.
The morphology of Irish is in some respects typical of an Indo-European language. Nouns are declined for number and case, and verbs for person and number. Nouns are classified by masculine or feminine gender. Other aspects of Irish morphology, while typical for an Insular Celtic language, are not typical for Indo-European, such as the presence of inflected prepositions and the initial consonant mutations. Irish syntax is also rather different from that of most Indo-European languages, due to its use of the verb–subject–object word order.
The declension of Irish nouns, the definite article, and the adjectives is discussed on this page.
Consonant mutation is change in a consonant in a word according to its morphological or syntactic environment.
Old Irish, also called Old Gaelic, is the oldest form of the Goidelic/Gaelic language for which there are extensive written texts. It was used from c. 600 to c. 900. The main contemporary texts are dated c. 700–850; by 900 the language had already transitioned into early Middle Irish. Some Old Irish texts date from the 10th century, although these are presumably copies of texts written at an earlier time. Old Irish is thus forebear to Modern Irish, Manx and Scottish Gaelic.
Primitive Irish or Archaic Irish, also called Proto-Goidelic, is the oldest known form of the Goidelic languages, and the ancestor of all languages within this family.
Proto-Celtic, or Common Celtic, is the hypothetical ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly reconstructed through the comparative method. Proto-Celtic is generally thought to have been spoken between 1300 and 800 BC, after which it began to split into different languages. Proto-Celtic is often associated with the Urnfield culture and particularly with the Hallstatt culture. Celtic languages share common features with Italic languages that are not found in other branches of Indo-European, suggesting the possibility of an earlier Italo-Celtic linguistic unity.
Middle Welsh is the label attached to the Welsh language of the 12th to 15th centuries, of which much more remains than for any earlier period. This form of Welsh developed directly from Old Welsh.
The morphology of the Welsh language has many characteristics likely to be unfamiliar to speakers of English or continental European languages like French or German, but has much in common with the other modern Insular Celtic languages: Irish, Scottish Gaelic, Manx, Cornish, and Breton. Welsh is a moderately inflected language. Verbs inflect for person, number, tense, and mood, with affirmative, interrogative, and negative conjugations of some verbs. There is no case inflection in Modern Welsh.
This article describes the grammar of the Scottish Gaelic language.
Ugaritic is an extinct Northwest Semitic language. This article describes the grammar of the Ugaritic language. For more information regarding the Ugaritic language in general, see Ugaritic language.
There is no standard variety of Scottish Gaelic; although statements below are about all or most dialects, the north-western dialects are discussed more than others as they represent the majority of speakers.
Old Norse has three categories of verbs and two categories of nouns. Conjugation and declension are carried out by a mix of inflection and two nonconcatenative morphological processes: umlaut, a backness-based alteration to the root vowel; and ablaut, a replacement of the root vowel, in verbs.
The Proto-Italic language is the ancestor of the Italic languages, most notably Latin and its descendants, the Romance languages. It is not directly attested in writing, but has been reconstructed to some degree through the comparative method. Proto-Italic descended from the earlier Proto-Indo-European language.
Cornish grammar is the grammar of the Cornish language, an insular Celtic language closely related to Breton and Welsh and, to a lesser extent, to Irish, Manx and Scottish Gaelic. It was the main medium of communication of the Cornish people for much of their history until the 17th century, when a language shift occurred in favour of English. A revival, however, started in 1904, with the publication of A Handbook of the Cornish Language, by Henry Jenner, and since then there has been a growing interest in the language.
Consonant gradation is the term used for a systematic set of alternations which are widespread in Finnish grammar. These alternations are a form of synchronic lenition. They occur also in other Finnic and Uralic languages; see consonant gradation for a more general overview.
This article describes the grammar of the Old Irish language. The grammar of the language has been described with exhaustive detail by various authors, including Thurneysen, Binchy and Bergin, McCone, O'Connell, Stifter, among many others.
The grammar of the Manx language has much in common with related Indo-European languages, such as nouns that display gender, number and case and verbs that take endings or employ auxiliaries to show tense, person or number. Other morphological features are typical of Insular Celtic languages but atypical of other Indo-European languages. These include initial consonant mutation, inflected prepositions and verb–subject–object word order.
Old Irish was affected by a series of phonological changes that radically altered its appearance compared with Proto-Celtic and older Celtic languages. The changes occurred at a fairly rapid pace between 350 and 550 CE.
