Where does “مصلحت” come from?

مصلحت (Persian) comes from Arabic صَلَحَ — be fit, usable; to be good, right, proper; to be...

Definitions

Step	Language	Word	Meaning
1	Arabic	صَلَحَ	be fit, usable; to be good, right, proper; to be...

مصلحت — Etymology, Origin & Word History | Etymology Explorer