Adjective: autochthonous o'tók-thu-nus
- Originating where it is found
"autochthonous rocks and people and folktales";
- autochthonal, autochthonic, endemic, indigenous, desi [Asia]
- Of rocks, deposits, etc.; found where they and their constituents were formed
"The geologist studied the autochthonous limestone formation"
See also: native
Antonym: allochthonous
Encyclopedia: Autochthonous