ab·o·rig·i·ne 
(ăb′ə-rĭjə-nē)
(ăb′ə-rĭjə-nē)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.]