Autochthonal

au·toch·tho·nous  (ô-tkth-ns) also au·toch·tho·nal (-th-nl) or au·toch·thon·ic (ôtk-thnk)

adj.

1. Originating where found; indigenous: autochthonous rocks; an autochthonous people; autochthonous folktales. See Synonyms at native.

2. Biology Originating or formed in the place where found: an autochthonous blood clot.

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au·tochthon·ism, au·tochtho·ny n.

au·tochtho·nous·ly adv.

Thesaurus

Adj.

1.

autochthonal - originating where it is found; "the autochthonal fauna of Australia includes the kangaroo"; "autochthonous rocks and people and folktales"; "endemic folkways"; "the Ainu are indigenous to the northernmost islands of Japan" autochthonic, indigenous, autochthonous, endemic native - characteristic of or existing by virtue of geographic origin; "the native North American sugar maple"; "many native artists studied abroad"