[au.toch.thon] n, pl -thons or -tho.nes [Gk autochthon, fr. aut- + chthon earth--more at humble] (1590): one (as a person, plant, or animal) that is autochthonous
AUTOCHTHON
Meaning of AUTOCHTHON in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012