AUTOCHTHONOUS
autochthonous
(adjective) of rocks, deposits, etc.; found where they and their constituents were formed
autochthonal, autochthonic, autochthonous, endemic, indigenous
(adjective) originating where it is found; “the autochthonal fauna of Australia includes the kangaroo”; “autochthonous rocks and people and folktales”; “endemic folkways”; “the Ainu are indigenous to the northernmost islands of Japan”
Source: WordNet® 3.1
Etymology
Adjective
autochthonous (not comparable)
Native to the place where found; indigenous.
(biology, medicine) Originating where found; found where it originates.
(geology) Buried in place, especially of a fossil preserved in its life position without disturbance or disarticulation.
Synonyms
• (native to the place where found): aboriginal, autochthonic, indigenous, native
Antonyms
• (native to the place where found, buried in place): allochthonous
Source: Wiktionary
Au*toch"tho*nal, Au`thoch*thon"ic, Au*toch"tho*nous, a.
Definition: Aboriginal; indigenous; native.
Source: Webster’s Unabridged Dictionary 1913 Edition