Where does “velario” come from?

velario (Italian) comes from Latin velarium, from Latin -ārium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

velario (Italian): velarium

Definitions

Step	Language	Word	Meaning
1	Latin	velarium	awning; covering
2	Latin	-ārium	used primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
3	Latin	-um	nominative neuter singular of -us; accusative...
4	Proto-Italic	*-om	—
5	Proto-Indo-European	*-oHom	—