Etymology Explorer › Latin

Where does “uni-” come from?

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

Ancestry of “uni-”, step by step

StepLanguageWordMeaning
1Latinūnus—
2Old Latinoinosone
3Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
4Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European óynos →