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autochthon

[ aw-tok-thuhn ]
/ 蓴藞t蓲k 胃蓹n /
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noun, plural au路toch路thons, au路toch路tho路nes [aw-tok-thuh-neez]. /蓴藞t蓲k 胃蓹藢niz/.
an aboriginal inhabitant.
Ecology. one of the indigenous animals or plants of a region.
Geology. a geological formation formed in the region where found.
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Compare allochthon.

Origin of autochthon

First recorded in 1640鈥50; from Greek aut贸chth艒n 鈥渙f the land itself,鈥 equivalent to auto- auto-1 + chth峁搉 鈥渢he earth, land, ground鈥
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use autochthon in a sentence

British Dictionary definitions for autochthon

autochthon
/ (蓴藧藞t蓲k胃蓹n, -胃蓲n) /

noun plural -thons or -thones (-胃蓹藢ni藧z)
(often plural) one of the earliest known inhabitants of any country; aboriginal
an animal or plant that is native to a particular region

Word Origin for autochthon

C17: from Greek autokhth艒n from the earth itself, from auto- + khth艒n the earth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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