Where does “Iwerdhon” come from?

Iwerdhon (Cornish) comes from Proto-Celtic ɸīweryū, from Proto-Indo-European piHweryon-, from Proto-Indo-European peyH- — fat, milk.

Ancestry of “Iwerdhon”, step by step

StepLanguageWordMeaning
1Proto-Celticɸīweryū—
2Proto-Indo-EuropeanpiHweryon-—
3Proto-Indo-EuropeanpeyH-fat, milk

Words derived from “Iwerdhon”

Every word from Proto-Indo-European peyH- →Every word from Proto-Indo-European piHweryon- →Every word from Proto-Celtic ɸīweryū →