Where does “oneffen” come from?

oneffen (Dutch) comes from Dutch effen, from Middle Dutch effen, from Old Dutch evan, from Proto-West Germanic ebn, from Proto-Germanic ebnaz, from Proto-Indo-European h₁émnos — equal, straight; flat, level, even.

oneffen (Dutch): uneven

Definitions

  1. uneven

Ancestry of “oneffen”, step by step

oneffen traces back through two separate lines of ancestry.

via Dutch effen

StepLanguageWordMeaning
1DutcheffenAlternative form of even; leveled; plain or...
2Middle Dutcheffen
3Old Dutchevan
4Proto-West Germanicebneven, level
5Proto-Germanicebnazeven, level
6Proto-Indo-Europeanh₁émnosequal, straight; flat, level, even

via Dutch on

StepLanguageWordMeaning
1Dutchonrarely used as shorthand for oneven (odd), the prefix on- means not (corresponds to English un-)

Words derived from “oneffen

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