Where does “un-” come from?

un- (Manx) comes from Manx un, from Old Irish óen, from Proto-Celtic oinos, from Proto-Indo-European óynos — one; single.

un- (Manx): uni-, mono-, one

Definitions

  1. uni-, mono-, one

Ancestry of “un-”, step by step

StepLanguageWordMeaning
1Manxunone
2Old Irishóenone
3Proto-Celticoinosone
4Proto-Indo-Europeanóynosone; single

Words derived from “un-”

Every word from Proto-Indo-European óynos →Every word from Proto-Celtic oinos →Every word from Old Irish óen →