Where does “समुद्र” come from?

समुद्र (Sanskrit) comes from Sanskrit सम्-, from Proto-Indo-Iranian sam-, from Proto-Indo-European sem- — together, one.

समुद्र (Sanskrit): the sea; ocean

Definitions

Step	Language	Word	Meaning
1	Sanskrit	सम्-	with, together with, along with, together,...
2	Proto-Indo-Iranian	sam-	—
3	Proto-Indo-European	sem-	together, one

समुद्र — Etymology, Origin & Word History | Etymology Explorer