Etymology Explorer › English

Where does “Uno” come from?

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

Ancestry of “Uno”, step by step

StepLanguageWordMeaning
1Spanishunoone
2Old Spanishuno—
3Latinūnus—
4Old Latinoinosone
5Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European óynos →