Definition of autochthonic in English:

autochthonic

adjective

  • 1Designating a theory or belief that a particular people, race, etc., are indigenous to a certain place.

  • 2Indigenous; = "autochthonous".

Origin

Early 19th century; earliest use found in The Monthly Review. From autochthon + -ic.

Pronunciation

autochthonic

/ˌɔːtɒkˈθɒnɪk/