Irantxe language

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Native toBrazil
RegionMato Grosso
Ethnicity360 Irantxe and Mỹky (2011)[1]
Native speakers
90 (2011)[1]
  • Münkü
Language codes
ISO 639-3irn

Irantxe (Iranxe, Iranshe), also known as Münkü (Mỹky), is an indigenous American language that is spoken in Mato Grosso, Brazil, by about 200 people. It is generally left unclassified due to lack of data. The most recent descriptions treat it as a language isolate, saying that it "bears no similarity with other language families" (Arruda 2003), though this may not be based on new data (Monserrat 2010).

Monserrat (2010) is a well-reviewed grammar.


As of 2011, the 280 Irantxe (Iránxe, Iranche, Manoki, Munku) have largely assimilated to Brazilian culture. Most are monolingual in Portuguese, and the remaining Irantxe speakers are over 50 years old. A splinter group, the Mỹky (Mynky, Münkü, Munku, Menku, Kenku, Myy), however, moved to escape assimilation, and were isolated until 1971. As of 2011, there were 80 ethnic Mỹky, all of whom spoke the language.[1]


Monserrat posits a series of palatalized stops. For several reasons, however, reviewer D’Angelis (2011) suggests these are simply /Cj/ sequences.

Bilabial Alveolar Palatal Velar Glottal
Nasal m n
Stop p t k ʔ
Fricative s h
Approximant w l~r j

/m/ is optionally [mb] word initially, especially among the Irantxe: muhu [mbuhu], mjehy [mbjɛhɨ]. /s/ is pronounced [ʃ] before /j/. [r] and [l] are in free variation.

There are 28 vowels: Seven qualities, /i ɨ u ɛ ə ɔ a/, all appear long, short, and nasalized. The schwa, however, alternates with /ɛ/ in many words.

Syllables may be CjVC, though words may not end in a consonant. The role of tone is not clear.


  1. ^ a b c "Irántxe". Ethnologue. Retrieved 2018-07-22.
  2. ^ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Irántxe-Münkü". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
  • D’Angelis, Wilmar. 2011. Review of Monserrat (2010). LIAMES – Línguas Indígenas Ameríndias, vol 10.
  • Monserrat, Ruth. 2010. A lingua do povo Myky
  • Anonby, Stan. 2009. A Report on the Irantxe and Myky.
  • Fabre, Alain. 2005. Diccionario etnolingüístico y guía bibliográfica de los pueblos indígenas sudamericanos: Iránxe.[1]
  • Arruda, Rinaldo. 2003. Iranxe Manoki. Instituto Socioambiental.
  • Dixon & Alexandra Y. Aikhenvald (eds.), The Amazonian languages. Cambridge: Cambridge University Press, 1999. ISBN 0-521-57021-2.