Where does “merusa” come from?

merusa (Proto-Albanian) comes from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “merusa”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	mer-	to die; to disappear; sea, lake, wetland

merusa — Etymology, Origin & Word History | Etymology Explorer