Dictionary.net

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"

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"

Native, indigenous, aboriginal; in pathology, formed at the situation where it is found, and not carried there after its formation; said of a thrombus. In psychiatry, an idea or word suddenly projected from the unconscious.[Gr.]