Where does “ܪܘܚܐ” come from?

ܪܘܚܐ (Classical Syriac) comes from Aramaic רוחא, from Proto-Semitic rūḥ- — to blow, breathe; spirit; to blow, breathe.

ܪܘܚܐ (Classical Syriac): spirit, specter/spectre, ghost, demon; life,...