Cueretú (Curetu) is an extinct language of the Amazon basin. It is a
Tucanoan language
Tucanoan (also Tukanoan, Tukánoan) is a language family of Colombia, Brazil, Ecuador, and Peru.
Language contact
Jolkesky (2016) notes that there are lexical similarities with the Arutani, Paez, Sape, Taruma, Witoto-Okaina, Saliba-Hodi, ...
,
but more recently has been left unclassified due to sparsity of data.
References
Languages of Colombia
Tucanoan languages
Extinct languages of South America
Unclassified languages of South America
{{na-lang-stub