Where does “ūnus” come from?

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

ūnus (Latin): one, single

Definitions

  1. one, single

Ancestry of “ūnus”, step by step

ūnus traces back through two separate lines of ancestry.

via Old Latin oinos

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

via Latin oinos

StepLanguageWordMeaning
1Latinoinosone

Words derived from “ūnus”

Every word from Proto-Indo-European óynos →Every word from Proto-Italic oinos →Every word from Old Latin oinos →