Where does “mr̥Hko-” come from?

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

Ancestry of “mr̥Hko-”, step by step

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

mr̥Hko- — Etymology, Origin & Word History | Etymology Explorer