(of an inhabitant of a place) indigenous rather than descended from migrants or colonists

newly colonized islands hitherto inhabited by autochthonous people

roe deer of the eastern Italian Alps still represent the autochthonous Alpine populations

(of a disease) originating in the geographical area where the patient lives; locally acquired

substantial yearly increases of autochthonous infections were observed

764 of the new patients are autochthonous cases and eight were imported

(of a deposit or formation) formed in its present position