Where does “surâs” come from?

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

surâs (Romanian): 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-	—

surâs — Etymology, Origin & Word History | Etymology Explorer