Where does “Irishphobia” come from?

Irishphobia (English) comes from English Irish, from Middle English Irisce, 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- — fat, milk.

Ancestry of “Irishphobia”, step by step

StepLanguageWordMeaning
1EnglishIrishThe Goidelic language indigenous to Ireland, also...
2Middle EnglishIrisce—
3Old EnglishĪrasIrishmen
4Old NorseÍrarIrishmen
5Old IrishÉriuIreland
6Primitive Irish*Īweriū—
7Proto-CelticΦīweryū—
8Proto-Indo-EuropeanpiHweryon-—
9Proto-Indo-EuropeanpeyH-fat, milk
Every word from Proto-Indo-European peyH- →Every word from Proto-Indo-European piHweryon- →Every word from Proto-Celtic Φīweryū →