Where does “ישראלי” come from?

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

Ancestry of “ישראלי”, step by step

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

ישראלי — Etymology, Origin & Word History | Etymology Explorer