That originates from a particular place or thing; native, indigenous. Also with of. Obsolete.

Of or relating to autochthons (autochthon, n. 1); indigenous.

First or earliest as recorded by history; present from the beginning; primitive. Of peoples, plants, and animals: inhabiting or existing in a…

Indigenous; = autochthonous, adj. 1a.

= autochthonous, adj.