راجشاهي (Arabic) comes from Bengali রাজশাহী, from Bengali শাহ, from Classical Persian شاه, from Middle Persian 𐭬𐭫𐭪𐭠, from Old Persian 𐏋, from Proto-Iranian xšáyati, from Proto-Indo-Iranian kšáyati, from Proto-Indo-European teḱ- — to sire, beget.