Where does “un” come from?

un (Old Portuguese) comes from Latin unus, from Old Latin oinos, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

un (Old Portuguese): Alternative form of ũu

Definitions

  1. Alternative form of ũu

Ancestry of “un”, step by step

StepLanguageWordMeaning
1Latinunusone, single; alone; one; 1
2Old Latinoinosone
3Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
4Proto-Indo-Europeanóynosone; single

Words derived from “un

Every word from Proto-Indo-European óynosEvery word from Proto-Italic oinosEvery word from Old Latin oinos