Where does “معتبر” come from?

معتبر (Urdu) comes from Classical Persian معتبر, from Arabic مُعْتَبَر.

معتبر (Urdu): credible, reliable

Definitions

Step	Language	Word	Meaning
1	Classical Persian	معتبر	—
2	Arabic	مُعْتَبَر	—

معتبر — Etymology, Origin & Word History | Etymology Explorer