autochthonous

Adjective

• originating where it is found
  • the autochthonal fauna of Australia includes the kangaroo
    
  • autochthonous rocks and people and folktales
    
  • endemic folkways
    
  • the Ainu are indigenous to the northernmost islands of Japan
    

• of rocks, deposits, etc.; found where they and their constituents were formed

Related words

• Synonyms: 
  autochthonal , autochthonic , endemic , indigenous