Where does “ordinario” come from?

ordinario (Spanish) comes from Latin ōrdinārius, from Latin -ārius, from Proto-Italic *-āzios.

ordinario (Spanish): ordinary

Definitions

Step	Language	Word	Meaning
1	Latin	ōrdinārius	—
2	Latin	-ārius	—
3	Proto-Italic	*-āzios	—

ordinario — Etymology, Origin & Word History | Etymology Explorer