Where does “Īrland” come from?

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

Ancestry of “Īrland”, step by step

Īrland traces back through two separate lines of ancestry.

via Old English Īras

StepLanguageWordMeaning
1Old EnglishĪrasIrishmen
2Old NorseÍrarIrishmen
3Old IrishÉriuIreland
4Primitive Irish*Īweriū
5Proto-CelticΦīweryū
6Proto-Indo-EuropeanpiHweryon-
7Proto-Indo-EuropeanpeyH-fat, milk

via Old English land

StepLanguageWordMeaning
1Old Englishlandland; a country; region within a country:...
2Proto-West Germaniclandland, area of ground
3Proto-Germaniclandąland, area of ground
4Proto-Indo-Europeanlendʰ-land, heath; loins

Words derived from “Īrland

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