Where does “certuno” come from?

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

certuno (Italian): someone, somebody; some

Definitions

  1. someone, somebody; some

Ancestry of “certuno”, step by step

certuno 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 certo

StepLanguageWordMeaning
1Italiancertocertain, sure; reliable; real, true
2Latincertuscertain; fixed, settled, firm; resolved,...
3Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European óynos →Every word from Proto-Italic oinos →Every word from Old Latin oinos →