Where does “شراب” come from?

شراب (Classical Persian) comes from Arabic شَرَاب, from Arabic شَرِبَ — to drink.

Ancestry of “شراب”, step by step

Step	Language	Word	Meaning
1	Arabic	شَرَاب	wine, beverage; beverage; a drink, beverage,...
2	Arabic	شَرِبَ	to drink