Where does “cremesin” come from?

cremesin (Old Spanish) comes from Arabic قِرْمِز, from Persian کرمست, from Sanskrit कृमिज, from Sanskrit कृमि, from Proto-Indo-Aryan kŕ̥miṣ, from Proto-Indo-Iranian kŕ̥miš, from Proto-Indo-European kʷŕ̥mis — worm.