Where does “تحصیل” come from?

تحصیل (Urdu) comes from Classical Persian تَحْصِیل, from Arabic تَحْصِيل.

Ancestry of “تحصیل”, step by step

Step	Language	Word	Meaning
1	Classical Persian	تَحْصِیل	—
2	Arabic	تَحْصِيل	—

تحصیل — Etymology, Origin & Word History | Etymology Explorer