English

exoring

From exo- (“extrasolar”) + ring (“planetary rings”).

Formed from exo- ‘extrasolar’ + ring ‘planetary rings’

Proto-Indo-European *h₁eǵʰs ‘out of’

Proto-Hellenic *eks

Ancient Greek ἐκ ‘Out of, from’

Ancient Greek ἔξω ‘outer’

English exo-

Proto-Indo-European *(s)krengʰ-

Proto-Germanic *hringaz

Proto-West Germanic *hring

Old English hring ‘ring’

Middle English ryng

English ring

Today it means

noun a ring or ring system around an exoplanet (extrasolar planet)

Language periods are conventional ranges, not dates for this word.