Definition of autochthonal in English:

autochthonal

adjective

  • Autochthonous.

Origin

Early 19th century; earliest use found in Thomas Love Peacock (1785–1866), satirical novelist and poet. From autochthon + -al.

Pronunciation

autochthonal

/ɔːˈtɒkθənl//ɔːˈtɒkθ(ə)nl/