Inca

[ing-kuh] /ˈɪŋ kə/
noun
1.
a member of any of the dominant groups of South American Indian peoples who established an empire in Peru prior to the Spanish conquest.
2.
a ruler or member of the royal family in the Incan empire.
Origin
1585-95; < Spanish < Quechua inka ruler of the Inca state
Related forms
Incaic
[ing-key-ik, in-] /ɪŋˈkeɪ ɪk, ɪn-/ (Show IPA),
adjective
Incan, noun, adjective
pseudo-Incan, adjective, noun
British Dictionary definitions for Inca

Inca

/ˈɪŋkə/
noun (pl) -ca, -cas
1.
a member of a South American Indian people whose great empire centred on Peru lasted from about 1100 ad to the Spanish conquest in the early 1530s and is famed for its complex culture
2.
the ruler or king of this empire or any member of his family
3.
the language of the Incas See also Quechua
Derived Forms
Incan, adjective
Word Origin
C16: from Spanish, from Quechua inka king
Word Origin and History for Inca
n.

1590s, from Spanish Inga (1520s), from Quechea Inca, literally "lord, king." Technically, only of the high Inca, but it was used widely for "man of royal blood."