Definition of autochthonism in English:

autochthonism

noun

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

  • 2The state or quality of being autochthonous.

Origin

Early 19th century; earliest use found in Foreign Quarterly Review. From autochthon + -ism.

Pronunciation

autochthonism

/ˌɔːˈtɒkθənɪz(ə)m/