Where does “numero” come from?

numero (Latin) comes from Latin numerus, from Proto-Italic nomezos, from Proto-Indo-European némesos.

Ancestry of “numero”, step by step

Step	Language	Word	Meaning
1	Latin	numerus	number; collection, quantity; rank, position
2	Proto-Italic	nomezos	—
3	Proto-Indo-European	némesos	—

numero — Etymology, Origin & Word History | Etymology Explorer