Where does “sorriso” come from?

sorriso (Galician) comes from Latin subrīsus, from Latin subrideo, from Latin sub-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

sorriso (Galician): smile

Definitions

Step	Language	Word	Meaning
1	Latin	subrīsus	—
2	Latin	subrideo	I smile
3	Latin	sub-	sub-
4	Proto-Indo-European	upó	under, below
5	Proto-Indo-European	h₃ewp-	—

sorriso — Etymology, Origin & Word History | Etymology Explorer