au·toch·thon 
(ô-tŏkthən)
(ô-tŏkthən)n. pl. au·toch·thons or au·toch·tho·nes (-thə-nēz′)
1. One that originated or was formed where it is found, especially a rock formation that has not been displaced.
2. One of the earliest known inhabitants of a place; an aborigine.
3. Ecology An indigenous plant or animal.
[Greek autokhthōn : auto-, auto- + khthōn, earth; see dhghem- in the Appendix of Indo-European roots.]
- Indo-European root: kas-
- Indo-European root: kat-
- Indo-European root: kau-
- Indo-European root: kaə-id-
- Indo-European root: ked-
- Indo-European root: keg-
- Indo-European root: kei-
- Indo-European root: keiə-
- Indo-European root: kekw-
- Indo-European root: kel-
- Indo-European root: kel-
- Indo-European root: kelə-
- Indo-European root: kelə-
- Indo-European root: ken-
- Indo-European root: kenk-
- Indo-European root: kens-
- Indo-European root: kent-
- Indo-European root: ker-
- Indo-European root: ker-
- Indo-European root: ker-
- Indo-European root: kerd-
- Indo-European root: kerp-
- Indo-European root: kers-
- Indo-European root: kerə-
- Indo-European root: kes-