Chuschagasta.

I was reading about a recent documentary called Nuestra Tierra (apparently translated as both Our Land and Landmarks), which “examines issues of land ownership in Argentina and interrogates the role of this history in the murder of Javier Chocobar, a Chuschagasta leader in the struggle for indigenous land rights,” and of course wanted to know more about the Chuschagasta and their striking ethnonym — what language did they speak, for instance? There was no link attached to the word in that Wikipedia article, so I tried Indigenous languages of the Americas with no luck, even though its long list of “Widely-spoken and officially-recognized indigenous languages” went all the way down to languages with zero speakers. The List of Indigenous languages of Argentina and Indigenous peoples in Argentina were likewise no help. Eventually I googled up Manuel Lizondo Borda’s Estudios de voces tucumanas, Vol. 1, Voces tucumanas derivadas del quechua (M. Violetto & cia., 1927; Google Books,…