Chiriva
Chiriva was a Pano-Tacanan language once spoken in Bolivia.
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Chiriba (Chiriva) is a poorly attested language of Moxos Province, Bolivia which may have belonged to the Panoan family. All that was recorded of it was a list of seven words; several of these resemble Panoan languages, especially Pakawara, and none resemble other language families. Unattested Chumana is reported to have been related.
From Wikipedia · Chiriba language · CC BY-SA 4.0