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-

Definitions

  1. eu-

Ancestry of “eo-”, step by step

StepLanguageWordMeaning
1Ancient Greekεὖwell
2Ancient Greekἐΰςgood, brave, noble
3Proto-Hellenicehu-good
4Proto-Indo-Europeanh₁su-good
5Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

Words derived from “eo-”

Every word from Proto-Indo-European h₁wes- →Every word from Proto-Indo-European h₁su- →Every word from Proto-Hellenic ehu- →