\Au*toch"thon\, n.; pl. E. {Authochthons}, L. {Autochthones}. [L., fr. Gr. ?, pl. ?, from the land itself; a'yto`s self + ? earth, land.] 1. One who is supposed to rise or spring from the ground or the soil he inhabits; one of the original inhabitants or aborigines; a native; -- commonly in the plural. This title was assumed by the ancient Greeks, particularly the Athenians. 2. That which is original to a particular country, or which had there its origin.