Where does “факултет” come from?

факултет (Serbo-Croatian) comes from German Fakultät, from Latin facultās, from Proto-Italic fakelitāts.

Ancestry of “факултет”, step by step

Step	Language	Word	Meaning
1	German	Fakultät	factorial; faculty, school
2	Latin	facultās	—
3	Proto-Italic	fakelitāts	—

факултет — Etymology, Origin & Word History | Etymology Explorer