Otuke language

Otuke (Otuque, Otuqui) is an extinct language of the Macro-Jê family, related to Bororo.

Otuke territory included what is now the Otuquis National Park and Integrated Management Natural Area in eastern Bolivia.

Combès (2012) suggests that -toki ~ -tuki ~ -tuke (also present in the ethynonym Gorgotoqui) is likely related to the Bororo animate plural suffix -doge (i.e., used to form plural nouns for ethnic groups).

[2] Several attested extinct Bororoan varieties were either dialects of Otuke or closely related:[3] Chiquitano speakers also lived in many of the missions.

Mason (1950) says the first four are "separate and very different", but Loukotka (1968) notes that nothing is known of Curave or Curucane (or of Tapii), that only 14 words of Curumina and 19 of Covare have been preserved.