Where does “Eirwen” come from?

Eirwen (Welsh) comes from Welsh eira, from Proto-Brythonic ėrɣ, from Proto-Celtic argyos, from Proto-Indo-European h₂r̥ǵ-yó-s, from Proto-Indo-European h₂erǵ- — white, argent; glittering.

Ancestry of “Eirwen”, step by step

Eirwen traces back through two separate lines of ancestry.

via Welsh eira

StepLanguageWordMeaning
1Welsheirasnow
2Proto-Brythonicėrɣsnow
3Proto-Celticargyoswhite
4Proto-Indo-Europeanh₂r̥ǵ-yó-s
5Proto-Indo-Europeanh₂erǵ-white, argent; glittering

via Welsh gwên

StepLanguageWordMeaning
1Welshgwênsmile
2Proto-Celticwindoswhite
3Proto-Indo-Europeanwindo-
4Proto-Indo-Europeanweyd-to see
Every word from Proto-Indo-European h₂erǵ-
Eirwen — Etymology, Origin & Word History | Etymology Explorer