aboriginal

nouns

an indigenous person who was born in a particular place
"the art of the natives of the northwest coast"; "the Canadian government scrapped plans to tax the grants to aboriginal college students"

adjectives

characteristic of or relating to people inhabiting a region from the beginning
"native Americans"; "the aboriginal peoples of Australia"
is derived from
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"