Where does “??” come from?

?? (Maharastri Prakrit) comes from Ashokan Prakrit ??, from Sanskrit मृत, from Indo-Iranian *mr̥tás, from Proto-Indo-European mr̥tós, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

?? (Maharastri Prakrit): dead; past participle of ???

Definitions

dead; past participle of ???

Ancestry of “??”, step by step

Step	Language	Word	Meaning
1	Ashokan Prakrit	??	dead
2	Sanskrit	मृत	dead, deceased; death-like, torpid, rigid;...
3	Indo-Iranian	*mr̥tás	—
4	Proto-Indo-European	mr̥tós	dead; mortal
5	Proto-Indo-European	mer-	to die; to disappear; sea, lake, wetland

Every word from Proto-Indo-European mer- →Every word from Proto-Indo-European mr̥tós →Every word from Indo-Iranian *mr̥tás →