Where does “cinquantuno” come from?

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

cinquantuno (Italian): fifty-one

Definitions

  1. fifty-one

Ancestry of “cinquantuno”, step by step

cinquantuno traces back through two separate lines of ancestry.

via Italian uno

StepLanguageWordMeaning
1Italianunoone; an, a; someone, a person
2Latinūnusone, single
3Old Latinoinosone
4Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
5Proto-Indo-Europeanóynosone; single

via Italian cinquanta

StepLanguageWordMeaning
1Italiancinquantafifty
2Latinquīnquāgintāfifty; 50
3Proto-Indo-Europeanpenkʷēḱomt
4Proto-Indo-European*pénkʷedḱomt

Words derived from “cinquantuno

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