形容詞 autochthonous:

1. of rocks, deposits, etc.; found where they and their constituents were formed
2. originating where it is found
   同義詞：autochthonal, autochthonic, endemic, indigenous

au.toch.tho.nous

adj.（形容詞）
Originating where found; indigenous:
土著的，鄉(xiāng)土的：產生于被發(fā)現(xiàn)地的；土生土長的：
例句：
autochthonous rocks; an autochthonous people; autochthonous folktales.See Synonyms at native
原地巖石；一個土著居民；當?shù)氐拿耖g傳說參見 native

Biology Originating or formed in the place where found:
【生物學】 原地的：產生于或形成于被發(fā)現(xiàn)地的：
例句：
an autochthonous blood clot.
自生的血塊

【引伸】
autoch.thonism 或
autoch.thony
n.（名詞）
autoch.thonously
adv.（副詞）