Where does “Wismut” come from?

Wismut (German) comes from Middle High German wismāt, from Latin bisemutum, from Arabic بِسِيمُوتِيُّون, from Ancient Greek ψιμύθιον, from Ancient Greek -ῐον, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Wismut (German): bismuth