Where does “*𑀲𑀸𑀟𑁆𑀠” come from?

*𑀲𑀸𑀟𑁆𑀠 (Prakrit) comes from Sanskrit सार्ध, from Sanskrit स-, from Proto-Indo-Aryan *sa-, from Proto-Indo-Iranian sa-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

Ancestry of “*𑀲𑀸𑀟𑁆𑀠”, step by step

Step	Language	Word	Meaning
1	Sanskrit	सार्ध	joined with one half; plus one half; increased by half
2	Sanskrit	स-	with
3	Proto-Indo-Aryan	*sa-	—
4	Proto-Indo-Iranian	sa-	together, co-
5	Proto-Indo-European	sm̥-	one; with, together
6	Proto-Indo-European	sem-	together, one

Every word from Proto-Indo-European sem- →Every word from Sanskrit स- →Every word from Proto-Indo-European sm̥- →