English

exolife

From exo- + life.

Formed from exo- + life

Proto-Indo-European *h₁eǵʰs ‘out of’

Proto-Hellenic *eks

Ancient Greek ἐκ ‘Out of, from’

Ancient Greek ἔξω ‘outer’

English exo-

Proto-Germanic *lībą ‘life’

Proto-West Germanic *līb ‘body’

Old English līf

Middle English lyf

English life

Today it means

noun Extraterrestrial life: life that is alien from the viewpoint of humans.

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