The story
- Proto-Indo-European*h₁éǵʰ
- Proto-Indo-European*h₁eǵʰs
- Proto-Hellenic*eks
- Ancient Greekἐκ (ek)
- Ancient Greekἔξω (éxō)
- Englishexo-
- Englishspore
- English todayexospore
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The outer layer of a spore, especially in some algae and fungi. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.