Where does “eo-” come from?
eo- (Irish) comes from Ancient Greek εὖ, from Ancient Greek ἐΰς, from Proto-Hellenic ehu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.
eo- (Irish): eu-
Ancestry of “eo-”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Ancient Greek | εὖ | well |
| 2 | Ancient Greek | ἐΰς | good, brave, noble |
| 3 | Proto-Hellenic | ehu- | good |
| 4 | Proto-Indo-European | h₁su- | good |
| 5 | Proto-Indo-European | h₁wes- | good; to be cheerful, happy; to eat, to feast |