Where does “Isabelle” come from?

Isabelle (English) comes from French Isabelle, from Old Spanish Isabel, from Hebrew אֱלִישֶׁבַע.

Ancestry of “Isabelle”, step by step

Step	Language	Word	Meaning
1	French	Isabelle	—
2	Old Spanish	Isabel	—
3	Hebrew	אֱלִישֶׁבַע	—

Isabelle — Etymology, Origin & Word History | Etymology Explorer