An indigenous people historically from the lower Amazon region and Paraguay, or their language.
From the Cayubaba people's ethnonym; the word entered Spanish colonial records and subsequently English ethnographic and historical texts. The name likely derives from indigenous Amazonian language roots.
The Cayubaba people were encountered and documented by Spanish conquistadors in the 1600s, but today they're one of many indigenous groups whose cultures were transformed by colonization—yet their name persists in history books!
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