Matanawi (''Matanauí, Mitandua, Moutoniway'') was a divergent Amazonian language that appears to be distantly related to the

Muran languages Mura is a language of Amazonas, Brazil. It is most famous for Pirahã, its sole surviving dialect. Linguistically, it is typified by agglutinativity, a very small phoneme inventory (around 11 compared to around 44 in English), whistled speec ...

. It was originally spoken on the Castanha River and

Madeirinha River Madeirinha River is a river of Mato Grosso and Amazonas states in north-western Brazil, a left tributary of the Roosevelt River. Course In Mato Grosso the river forms the western boundary of the Rio Madeirinha Ecological Station, a fully prot ...

in Amazonas State.

Vocabulary

The only existing word list for Matanawi is that of

Curt Nimuendajú Curt Unckel Nimuendajú (born Curt Unckel; 18 April 1883 – 10 December 1945) was a German- Brazilian ethnologist, anthropologist, and writer. His works are fundamental for the understanding of the religion and cosmology of some native Brazilia ...

(1925).Nimuendajú, Curt. 1925
As Tribus do Alto Madeira
''Journal de la Société des Américanistes'' XVII. 137-172.
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Loukotka (1968) lists the following basic vocabulary items for Matanawí. :

References

Indigenous languages of the Americas Extinct languages Language isolates of South America {{na-lang-stub