Where does “un” come from?

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

un (Manx): one

Definitions

  1. one

Ancestry of “un”, step by step

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

Words derived from “un

Every word from Proto-Indo-European óynosEvery word from Proto-Celtic oinosEvery word from Old Irish óen
un — Etymology, Origin & Word History | Etymology Explorer