aboriginal

adj. of or pertaining to aborigines; original, first, native, indigenous

n. member of any of the peoples who lived in Canada before the European settlers arrived; member of the dark-skinned people indigenous to Australia

Aborigine (originated from Latin ab origine, meaning "from the origin or beginning") refers in a general sense to:Indigenous peoples, Displaced peoples with a prior or historical ownership of a land, and who maintain (at least in part) their distinct traditions and association with the land, and are differentiated in some way from the surrounding populations and dominant nation-state culture and governance.
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Noun
1. a dark-skinned member of a race of people living in Australia when Europeans arrived
(synonym) Aborigine, Abo, native Australian, Australian Aborigine
(hypernym) Australian, Aussie

Adjective
1. being or composed of people inhabiting a region from the beginning; "native Americans"; "the aboriginal peoples of Australia"
(synonym) native
2. having existed from the beginning; in an earliest or original stage or state; "aboriginal forests"; "primal eras before the appearance of life on earth"; "the forest primeval"; "primordial matter"; "primordial forms of life"
(synonym) primal, primeval, primaeval, primordial
(similar) early

adj. native; of or pertaining to aborigines, aboriginal; original

(n.)
An original inhabitant of any land; one of the aborigines.
  

(n.)
An animal or a plant native to the region.
  

(a.)
Of or pertaining to aborigines; as, a Hindoo of aboriginal blood.
  

(a.)
First; original; indigenous; primitive; native; as, the aboriginal tribes of America.