Where does “ר־מ־י” come from?

ר־מ־י (Aramaic) comes from Proto-Semitic ramay- — to throw, to warp, to cast, to hurl, to shoot.

Ancestry of “ר־מ־י”, step by step

Step	Language	Word	Meaning
1	Proto-Semitic	ramay-	to throw, to warp, to cast, to hurl, to shoot

ר־מ־י — Etymology, Origin & Word History | Etymology Explorer