Where does “fo” come from?

fo (Old Irish) comes from Proto-Celtic uɸo, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

fo (Old Irish): under, beneath; towards; through, throughout

Definitions

  1. under, beneath; towards; through, throughout

Ancestry of “fo”, step by step

StepLanguageWordMeaning
1Proto-Celticuɸounder, below
2Proto-Indo-Europeanupóunder, below
3Proto-Indo-Europeanh₃ewp-—

Words derived from “fo”

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Celtic uɸo →
fo — Etymology, Origin & Word History | Etymology Explorer