Where does “hefo” come from?

hefo (Welsh) comes from Welsh ef, from Proto-Indo-European éy, from Proto-Indo-European h₁e-.

hefo (Welsh): with

Definitions

  1. with

Ancestry of “hefo”, step by step

hefo traces back through two separate lines of ancestry.

via Welsh ef

StepLanguageWordMeaning
1Welshefhe; him
2Proto-Indo-Europeanéythe; demonstrative pronoun; this one, he
3Proto-Indo-Europeanh₁e-—

via Welsh a

StepLanguageWordMeaning
1Welshafirst-person singular future of mynd; and; that,...
2Old Welshac—
3Proto-Brythonic(h)a—
Every word from Proto-Indo-European h₁e- →Every word from Proto-Indo-European éy →Every word from Welsh ef →