Where does “Yernisheyr” come from?
Yernisheyr (Manx) comes from Manx Yernish, from Old Irish Ériu, from Primitive Irish *Īweriū, from Proto-Celtic Φīweryū, from Proto-Indo-European piHweryon-, from Proto-Indo-European peyH- — fat, milk.
Yernisheyr (Manx): Irish-speaker
Ancestry of “Yernisheyr”, step by step