Where does “un” come from?

un (Corsican) comes from Italian non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

un (Corsican): a, an

Definitions

  1. a, an

Ancestry of “un”, step by step

un traces back through two separate lines of ancestry.

via Italian non

StepLanguageWordMeaning
1Italiannonnot; un-; don't
2Latinnōnnot
3Old Latinnoenum
4Proto-Indo-Europeanóynosone; single

via Latin ūnus

StepLanguageWordMeaning
1Latinūnusone, single
2Old Latinoinosone
3Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
4Proto-Indo-Europeanh₁óynosone
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn