from
The Collaborative International Dictionary of English v.0.48
Autochthon \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.
[1913 Webster]
2. That which is original to a particular country, or which
had there its origin.
[1913 Webster] Authochthonic
Autochthonal