Where does “בבלי” come from?

בבלי (Hebrew) comes from Hebrew י, from Hebrew יָד — hand.

בבלי (Hebrew): Babylonian

Definitions

Step	Language	Word	Meaning
1	Hebrew	י	ten; {{n-g\|one of the letters of the...
2	Hebrew	יָד	hand

בבלי — Etymology, Origin & Word History | Etymology Explorer