Where does “فرش” come from?

فرش (Punjabi) comes from Classical Persian فرش, from Arabic فَرْش — carpet, rug.

فرش (Punjabi): floor

Definitions

Step	Language	Word	Meaning
1	Classical Persian	فرش	—
2	Arabic	فَرْش	carpet, rug

فرش — Etymology, Origin & Word History | Etymology Explorer