Where does “فیصله” come from?

فیصله (Persian) comes from Arabic فَيْصَلَة, from Arabic فَيْصَل.

Ancestry of “فیصله”, step by step

Step	Language	Word	Meaning
1	Arabic	فَيْصَلَة	—
2	Arabic	فَيْصَل	—

فیصله — Etymology, Origin & Word History | Etymology Explorer