English
exonym
From exo- (“outside”) + -onym (“name”).
Formed from exo- ‘outside’ + -onym ‘name’
Proto-Indo-European *h₁eǵʰs ‘out of’
Proto-Hellenic *eks
Ancient Greek ἐκ ‘Out of, from’
Ancient Greek ἔξω ‘outer’
English exo-
Today it means
noun An external name for a place, people or a language used by outgroup members (such as foreigners) instead of ingroup members (such as native-language speakers).
Language periods are conventional ranges, not dates for this word.
Etymograph / exonym