The Khmuic languages are a branch of the Austroasiatic languages spoken mostly in northern Laos, as well as in neighboring northern Vietnam and southern Yunnan, China. Khmu is the only widely spoken language in the group.
Homeland Paul Sidwell (2015)Sidwell, Paul. 2015. The Palaungic Languages: Classification, Reconstruction and Comparative Lexicon . München: Lincom Europa. suggests that the Khmuic Urheimat (homeland) was in what is now Phongsali province, northern Laos.
Languages The Khmuic languages are:
Mlabri (Yumbri) Kniang (Phong 3, Tay Phong) Ksingmul (Puok, Pou Hok, Khsing-Mul) Khmu’ Khuen O’du Prai Mal (Thin) Theen (Kha Sam Liam)
Similarly, Phuoc (Xinh Mul) and Kháng are also sometimes classified as Mangic, and Kháng is classified as Palaungic by Diffloth.
Bumang, formerly classified as Khmuic, is classified as a Palaungic language by Paul Sidwell. Jerold A. Edmondson considers it to be most closely related to Kháng. Also, Quang Lam is a poorly attested language in Vietnam that is closely related to Kháng or Bit. (See Bit–Khang languages)
Khmuic language history and diversity are currently being researched by Nathaniel Hiroz.
Classification The interrelationships of these languages are uncertain. Ethnologue 19 classifies them as follows:
Khmuic Khao: Khao, Bit Mlabri: Mlabri Xinh Mul: Khang, Phong-Kniang, Puoc Mal–Khmu’ Khmu’, Khuen, O’du Mal–Phrai: Lua’, Mal, Prai
A provisional classification at SEALangSEALang SALA: Southeast Asian Linguistics Archives keeps Mal–Phrai, but connects Khao with Khang instead of with Bit, treats Khuen as a dialect of Khmu':
Khmuic Bit Khao–Khang: Khao, Khang Mlabri Phong Puoc Khmu’ O’du Mal–Phrai: Lua’, Mal, Phray, Phai
Diffloth & Proschan (1989) Chazée (1999), citing Diffloth & Proschan (1989), has the following:
Khmuic (Khang?) Khmu Phray–Pram Mlabri Phay / Mal / T'in
Ksing Moul (Ksongmul) Pramic Tai Hat (Iduh) Tai Then Phong Laan, Phong Phène, Phong Tapouang Kaniang, Phong Piat (Phong Saloey)
However, Gérard Diffloth now considers Pramic (i.e., all Khmuic languages except for Khmu) to be a separate Austroasiatic branch that has come under heavy influence from Khmu.Sidwell, Paul. 2018. Austroasiatic Studies: state of the art in 2018 . Presentation at the Graduate Institute of Linguistics, National Tsing Hua University, Taiwan, May 22, 2018.
Peiros (2004) Ilia Peiros (Peiros 2004:39) gives the following classification:
Khmuic
Khang Bit
Mlabri–Pray Mlabri Pray
Kmu
Kxinh Mul Ksinmul
Phong-Kniang Iduh
Sidwell (2014) Based on developments of Proto-Khmuic *aː₁, Paul Sidwell (2014) classifies the Khmuic languages as follows.
Khmuic Khmu Mlabri-Pram Mlabri Phay-Pram Phay/Mal/T'in Khsing Mul Pramic Tai Hat Phong Laan, Phong Phène, Phong Tapouang Kniang, Phong Piat (Phong Saloey) Tayten
The developments of Proto-Khmuic *aː₁ according to Sidwell (2014) are:
Proto-Khmuic: *aː₁ Khmu: *aː Proto-Mlabri-Pram: *ɛː Proto-Pray-Pram: *iə Proto-Pramic *iː
See also Khmu language Khmu people
References
Further reading Chazée, Laurent. 1999. The Peoples of Laos: Rural and Ethnic Diversities. Bangkok: White Lotus. Cheeseman, Nathaniel; Paul Sidwell and Anne Osborne. 2017. Khmuic Linguistic Bibliography with Selected Annotations. JSEALS vol. 10 issue 1. pages i-xlvi. Filbeck, David. 1978. T’in: a historical study. Pacifijic Linguistics Series B-49. Canberra: Australian National University. [Includes a reconstruction of Proto-T’inic] Hiroz, Nathaniel. 2025. Recent Advances in Khmuic Historical Phonology: Proto-Khmuic Suprasegmentals and Their Implications. 58th International Conference on Sino-Tibetan Languages and Linguistics (ICSTLL 58), 3–5 September 2025, University of Bern. Peiros, Ilia J. 2004. Geneticeskaja klassifikacija aystroaziatskix jazykov. Moskva: Rossijskij gosudarstvennyj gumanitarnyj universitet (doktorskaja dissertacija). Sidwell, Paul. 2014. "Khmuic classification and homeland ". Mon-Khmer Studies 43.1:47-56
External links RWAAI (Repository and Workspace for Austroasiatic Intangible Heritage) The Kammu Project (Lund University) http://hdl.handle.net/10050/00-0000-0000-0003-66E8-9@view Khmuic languages in RWAAI Digital Archive