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Ta'Oi language

Ta Oi
Native toLaos, Vietnam
EthnicityTa Oi, Katang
Native speakers
220,000 (1995–2005)[1]
Language codes
ISO 639-3Variously:
tth – Upper Ta'Oi
irr – Ir (Hantong)
oog – Ong (= Ir)
tto – Lower Ta'Oi
ngt – Ngeq (Kriang)

Ta'Oi (Ta'Oih, Ta Oi) is a Katuic dialect chain of Salavan and Sekong provinces in Laos, and in Thừa Thiên-Huế province in Vietnam (Sidwell 2005:12).


Sidwell (2005) lists the following varieties of Ta'Oi, which is a name applied to speakers of various related dialects.

  • Ta'Oi proper
  • Ong/Ir/Talan
  • Chatong is spoken about 50 to 100 km northeast of Sekong. It has been recorded only by Theraphan L-Thongkum.
  • Kriang (Ngkriang, Ngeq) is spoken by up to 4,000 people living in villages between Tatheng and Sekong, such as Ban Chakamngai.
  • Kataang (Katang) is a dialect that has been documented by Michel Ferlus, Gerard Diffloth, and other linguists. It is not to be confused with the Bru dialect of Katang.[3]


  1. ^ Upper Ta'Oi at Ethnologue (18th ed., 2015)
    Ir (Hantong) at Ethnologue (18th ed., 2015)
    Ong (= Ir) at Ethnologue (18th ed., 2015)
    Lower Ta'Oi at Ethnologue (18th ed., 2015)
    Ngeq (Kriang) at Ethnologue (18th ed., 2015)
  2. ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Ta'oihic". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
  3. ^ "Mon-Khmer Classification (draft)". SEAlang. 2007. Retrieved 24 June 2018.

Further reading