Where does “Eire” come from?

Éire derives from Old Irish Ériu, from Proto-Celtic ɸīweryū, ultimately from Proto-Indo-European peyH-, a root of uncertain meaning.

Eire (English): The Republic of Ireland

Definitions

  1. The Republic of Ireland

Ancestry of “Eire”, step by step

StepLanguageWordMeaning
1IrishÉireIreland
2Old IrishÉriuIreland
3Primitive Irish*Īweriū—
4Proto-CelticΦīweryū—
5Proto-Indo-EuropeanpiHweryon-—
6Proto-Indo-EuropeanpeyH-fat, milk

Words derived from “Eire”

Every word from Proto-Indo-European peyH- →Every word from Proto-Indo-European piHweryon- →Every word from Proto-Celtic Φīweryū →