autochthon
/ɔːˈtɑːkθən/
noun
- An original inhabitant of a place; a native, especially one whose ancestors have lived in a region since earliest times.
- The autochthons of the island have lived there for thousands of years.
- The museum displayed artifacts made by the region's autochthons.
- In mythology, the autochthon was said to have sprung from the earth itself.
- In geology, a rock or formation that has remained in its original place of formation.
- Geologists studied the autochthon to understand the ancient landscape.
- Samples from the autochthon showed no signs of transport.
- The autochthon layer was undisturbed by tectonic movement.