Where does “𐏃𐎡𐎴𐎠” come from?

𐏃𐎡𐎴𐎠 (Old Persian) comes from Proto-Iranian háynaH, from Proto-Indo-Iranian sáynaH — army, troop; horde, band.

𐏃𐎡𐎴𐎠 (Old Persian): enemy army, hostile army