Where does “amoroso” come from?

amoroso (Italian) comes from Latin amōrōsus, from Latin amor, from Latin amō, from Latin Deus, from Latin dẹ̄vos, from Old Latin deivos, from Proto-Italic deiwos, from Proto-Indo-European deywós — to be bright; sky, heaven.

amoroso (Italian): amorous, loving; lover