ab·o·rig·i·ne 
(
ăb
′ə-r
ĭj
ə-n
ē)
n.1. a. A member of the indigenous or earliest known population of a region; a native.
b. often Aborigine A member of any of the indigenous peoples of Australia. See Usage Note at native.
2. aborigines The flora and fauna native to a geographic area.
[Back-formation from pl. aborigines (taken as aborigine + -S1), from Latin aborīginēs, original inhabitants (folk etymology of the name of a pre-Roman tribe of Italy) : ab, from; see AB-1 + orīgine, ablative of orīgō, beginning; see ORIGIN.]