Where does “Ériu” come from?

Ériu (Old Irish) comes from Primitive Irish *Īweriū, from Proto-Celtic Φīweryū, from Proto-Indo-European piHweryon-, from Proto-Indo-European peyH- — fat, milk.

Ériu (Old Irish): Ireland

Definitions

  1. Ireland

Ancestry of “Ériu”, step by step

Ériu traces back through 3 separate lines of ancestry.

via Primitive Irish *Īweriū

StepLanguageWordMeaning
1Primitive Irish*Īweriū
2Proto-CelticΦīweryū
3Proto-Indo-EuropeanpiHweryon-
4Proto-Indo-EuropeanpeyH-fat, milk

via Proto-Celtic Īwerjū

StepLanguageWordMeaning
1Proto-CelticĪwerjūfat land, fertile
2Proto-Indo-Europeanpi-wer-fertile

via Proto-Celtic *Φīweriyū

StepLanguageWordMeaning
1Proto-Celtic*ΦīweriyūIreland

Words derived from “Ériu

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