Dzongkha is a Tibeto-Burman language that is the official and national language of Bhutan. It is written using the Tibetan script.
The Tani language, often referred to as Tani languages, encompasses a group of closely related languages spoken by the Tani people in the northeastern region of India, primarily in the state of Arunachal Pradesh and Assam. These languages belong to the Sino-Tibetan family and include several major dialects such as Nyishi, Galo, Apatani, Adi, Tagin, and Mising.
George "Sjors" van Driem is a Dutch professor emeritus of linguistics at the University of Bern. He studied East Asian languages and is known for the father tongue hypothesis.
The Himalayan Languages Project, launched in 1993, is a research collective based at Leiden University and comprising much of the world's authoritative research on the lesser-known and endangered languages of the Himalayas, in Nepal, China, Bhutan, and India. Its members regularly spend months or years at a time doing field research with native speakers. The Director of the Himalayan Languages Project is George van Driem. Project members include Mark Turin and Jeroen Wiedenhof. The project recruits graduate students to collect field data on little-known languages for their Ph.D. dissertations.
Frederik Herman Henri "Frits" Kortlandt is a Dutch former professor of descriptive and comparative linguistics at Leiden University in the Netherlands. He writes on Baltic and Slavic languages, the Indo-European languages in general, and Proto-Indo-European, though he has also published studies of languages in other language families. He has also studied ways to associate language families into super-groups such as the controversial Indo-Uralic.
Symbiosism is a philosophy about the mind and man's place in nature. It is a Darwinian theory, which considers language an organism residing in the human brain and claims that language is a memetic life form. Symbiosism is defined by the Leiden school.
The Khengkha language, or Kheng, is an East Bodish language spoken by ~40,000 native speakers worldwide, in the Zhemgang, Trongsa, and Mongar districts of south–central Bhutan.
The Sal languages, also known as the Brahmaputran languages, are a branch of Tibeto-Burman languages spoken in northeast India, as well as parts of Bangladesh, Myanmar (Burma), and China.
Bodish, named for the Tibetan ethnonym Bod, is a proposed grouping consisting of the Tibetic languages and associated Sino-Tibetan languages spoken in Tibet, North India, Nepal, Bhutan, and North Pakistan. It has not been demonstrated that all these languages form a clade, characterized by shared innovations, within Sino-Tibetan.
The Tibeto-Kanauri languages, also called Bodic, Bodish–Himalayish, and Western Tibeto-Burman, are a proposed intermediate level of classification of the Sino-Tibetan languages, centered on the Tibetic languages and the Kinnauri dialect cluster. The conception of the relationship, or if it is even a valid group, varies between researchers.
The East Bodish languages are a small group of non-Tibetic Bodish languages spoken in eastern Bhutan and adjacent areas of Tibet and India. They include:
The Kurtöp language is an East Bodish language spoken in Kurtoe Gewog, Lhuntse District, Bhutan. In 1993, there were about 10,000 speakers of Kurtöp.
Gongduk or Gongdu is an endangered Sino-Tibetan language spoken by about 1,000 people in a few inaccessible villages located near the Kuri Chhu river in the Gongdue Gewog of Mongar District in eastern Bhutan. The names of the villages are Bala, Dagsa, Damkhar, Pam, Pangthang, and Yangbari (Ethnologue).
The Baram–Thangmi languages, Baram and Thangmi are Tibeto-Burman languages spoken in Nepal. They are classified as part of the Newaric branch by van Driem (2003) and Turin (2004), who view Newar as being most closely related to Baram–Thangmi.
Lhokpu, also Lhobikha or Taba-Damtoe-Bikha, is one of the autochthonous languages of Bhutan spoken by the Lhop people. It is spoken in southwestern Bhutan along the border of Samtse and Chukha Districts. Van Driem (2003) leaves it unclassified as a separate branch within the Sino-Tibetan language family.
The Dzala language, also called Dzalakha, Dzalamat, or Yangtsebikha, is an East Bodish language spoken in eastern Bhutan, in the Lhuntse and Trashiyangtse Districts.
ʼOle, also called ʼOlekha or Black Mountain Monpa, is a moribund, possibly Sino-Tibetan language spoken natively by 1 person in the Black Mountains of Wangdue Phodrang and Trongsa Districts in western Bhutan. The term ʼOle refers to a clan of speakers.
The Chocha Ngacha language or Chochangachakha or Tsamang is a Southern Tibetic language spoken by about 20,000 people in the Kurichu Valley of Lhuntse and Mongar Districts in eastern Bhutan.
The East Asian languages are a language family proposed by Stanley Starosta in 2001. The proposal has since been adopted by George van Driem and others.
The Newaric languages are a proposed group of Sino-Tibetan languages. George van Driem (2003) and Mark Turin (2004) argue that Newar and Baram–Thangmi share many features with each other, and thus group with each other.
