Quech·ua 
(kĕchwə, -wä′) or Quich·ua (kēch-) also Kech·ua (kĕch-)
(kĕchwə, -wä′) or Quich·ua (kēch-) also Kech·ua (kĕch-)n. pl. Quechua or Quech·uas or Quichua or Quich·uas also Kechua or Kech·uas
1. The Quechuan language of the Inca Empire, now widely spoken throughout the Andes highlands from southern Colombia to Chile.
2.
a. A member of a South American Indian people originally having been part of the Inca Empire.
b. A member of a Quechuan-speaking people.
[Spanish, from Quechua (Cuzco dialect) qhichwa, temperate valley (originally used in Spanish to designate the language of one Quechua-speaking ethnic group inhabiting the temperate valleys of the Andes and later extended to other groups).]