autochthon (n.)youdaoicibaDictYouDict[autochthon 词源字典]
1640s, "one sprung from the soil he inhabits" (plural autochthones), from Greek autokhthon "aborigines, natives," literally "sprung from the land itself," used of the Athenians and others who claimed descent from the Pelasgians, from auto- "self" (see auto-) + khthon "land, earth, soil" (see chthonic).[autochthon etymology, autochthon origin, 英语词源]