English

exospore

From exo- + spore.

A compound of exo- + spore

Proto-Indo-European *h₁eǵʰs ‘out of’

Proto-Hellenic *eks

Ancient Greek ἐκ ‘Out of, from’

Ancient Greek ἔξω ‘outer’

English exo-

Proto-Indo-European *sper- ‘to scatter, strew’

Ancient Greek σπορά ‘seed’

New Latin spora

English spore

Today it means

noun The outer layer of a spore, especially in some algae and fungi.

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

Etymograph / exospore