Where does “thíos faoi” come from?

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

thíos faoi (Irish): below, beneath, underneath

Definitions

  1. below, beneath, underneath

Ancestry of “thíos faoi”, step by step

thíos faoi traces back through two separate lines of ancestry.

via Irish faoi

StepLanguageWordMeaning
1Irishfaoiunder; about, concerning; third-person singular...
2Old Irishfounder, beneath; towards; through, throughout
3Proto-Celticuɸounder, below
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-—

via Irish thíos

StepLanguageWordMeaning
1Irishthíosunder, below; down
2Old Irishtís—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Celtic uɸo →