Where does “జాహ్నవి” come from?

జాహ్నవి (Telugu) comes from Sanskrit जाह्नवी, from Sanskrit जह्नु.

Ancestry of “జాహ్నవి”, step by step

Step	Language	Word	Meaning
1	Sanskrit	जाह्नवी	river Ganges
2	Sanskrit	जह्नु	—

జాహ్నవి — Etymology, Origin & Word History | Etymology Explorer