Where does “efn-” come from?

efn- (Old English) comes from Old English efn, from Proto-West Germanic ebn, from Proto-Germanic ebnaz, from Proto-Indo-European h₁émnos — equal, straight; flat, level, even.

efn- (Old English): denoting equality: equal, equally

Definitions

  1. denoting equality: equal, equally

Ancestry of “efn-”, step by step

efn- traces back through two separate lines of ancestry.

via Old English efn

StepLanguageWordMeaning
1Old Englishefnequal, level, even
2Proto-West Germanicebneven, level
3Proto-Germanicebnazeven, level
4Proto-Indo-Europeanh₁émnosequal, straight; flat, level, even

via Proto-Germanic ebna-

StepLanguageWordMeaning
1Proto-Germanicebna-like-, level, equal-

Words derived from “efn-

Every word from Proto-Indo-European h₁émnosEvery word from Proto-Germanic ebnazEvery word from Proto-West Germanic ebn