Jivaro

Concise Oxford English Dictionary © 2008 Oxford University Press:
Jivaro /ˈhiːvərəʊ/

▶noun (pl. same or Jivaros)

• 1 a member of an indigenous people living widely scattered throughout the Amazon region.

• 2 any of the group of languages spoken by the Jivaro.

– derivatives
Jivaroan adjective & noun.

– origin from Sp. jíbaro, prob. from the local name Shuara, Shiwora.