autochthon

Definition of Autochthon in English :

1. autochthon

the earliest known inhabitants of a region

WordNet Lexical Database for English. Princeton University. 2010.

Autochthon

noun plural -thons or -thones (-θəˌniːz)

1. (often plural)

one of the earliest known inhabitants of any country; aboriginal

2.

an animal or plant that is native to a particular region

nounWord forms: plural auˈtochthons or auˈtochthoˌnes (ɔˈtɑkθəˌniz ; ôtäkˈt hənēzˌ)

1.

any of the earliest known inhabitants of a place; aborigine

2.

any indigenous animal or plant

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.