Autochthon

1. n. That which is original to a particular country, or which had there its origin.
2. n. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.