autochthonous

Adjective
  1. Of rocks, deposits, etc.;
    Found where they and their constituents were formed (synset 300181659)
  2. Originating where it is found (synset 301040065)
    "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"

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