Where does “amor” come from?

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

amor (Latin): love, affection, devotion; love, desire, craving;...