Main Entry: au·toch·tho·nous

Pronunciation: \ȯ-ˈtäk-thə-nəs\

Function: adjective

Date: 1805

1 : indigenous, native <an autochthonous people>
2 : formed or originating in the place where found <autochthonous rock> <an autochthonous infection>

— au·toch·tho·nous·ly adverb