Where does “Erelhoan” come from?

Erelhoan (Yola) comes from Middle English Irlond, from Old English Īrland, 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.

Erelhoan (Yola): Ireland