Jumana
Jumana was an Arawakan language once spoken in Brazil.
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Yumana (Jumana, Xomana, Ximana) is an extinct, poorly attested, and unclassified Arawakan language. It is attested only in a wordlist from Carl Friedrich Philipp von Martius and Johann Baptist von Spix published in 1867. The Jumana people are thought to reside in the Rio Puré National Park, alongside the Pasé and Carabayo (Yuri).
From Wikipedia · Yumana language · CC BY-SA 4.0