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