• (n.) The state of being autochthonal.
Au·toch'tho·nism noun The state of being autochthonal. 
autochthonism 1. Originating where found; indigenous: autochthonous rocks; an autochthonous people; autochthonous folktales. 2. In biology, originating or formed in the place where found: an autochthonous blood clot.