Where does “فیثاغورث” come from?

فیثاغورث (Persian) comes from Arabic فيثاغورس, from Ancient Greek Πῡθαγόρᾱς.

Ancestry of “فیثاغورث”, step by step

Step	Language	Word	Meaning
1	Arabic	فيثاغورس	—
2	Ancient Greek	Πῡθαγόρᾱς	—

فیثاغورث — Etymology, Origin & Word History | Etymology Explorer