Ha·va·su·pai 
(hä′və-spī)
(hä′və-spī)n. pl. Havasupai or Havasu·pais
1. A member of a Native American people inhabiting northwest Arizona southeast of the Grand Canyon.
2. The Yuman language of the Havasupai, closely related to Hualapai.
[Probably Mohave havasu·pay, blue-green (water) person : havasu·, blue-green (water) + -pay, person.]