ȯˈtäkthən, -ˌthän noun
( plural autochthons -nz ; or autochtho·nes -_thəˌnēz)
Etymology: modification (influenced by Greek autochthōn ) of Latin autocthon, from Greek autochthon-, autochthōn, from aut- +-0 chthon-, chthōn earth — more at humble
1.
a. : one supposed to have risen or sprung from the ground of the region he inhabits
b. : one of the original inhabitants of a region : aborigine
2. : something that is autochthonous ; especially : an indigenous plant or animal
3. or au·toch·thone -ˌthōn : rock essentially in its place of origin in contrast to the adjacent rock of an allochthon