Where does “الهیات” come from?

الهیات (Persian) comes from Arabic إِلٰهِيَّات, from Arabic إِلٰهِيّ — divine.

الهیات (Persian): theology

Definitions

Step	Language	Word	Meaning
1	Arabic	إِلٰهِيَّات	theology, lit. "divine things"
2	Arabic	إِلٰهِيّ	divine

الهیات — Etymology, Origin & Word History | Etymology Explorer