Where does “Isabel” come from?

Isabel entered English from Old Spanish Isabel, a name of uncertain ultimate origin.

Ancestry of “Isabel”, step by step

Step	Language	Word	Meaning
1	Spanish	Isabel	—
2	Portuguese	Isabel	—
3	Old Occitan	Elisabel	—
4	Latin	Elisabeth	—
5	Ancient Greek	Ἐλισάβετ	—
6	Hebrew	אלישבע	my God is an oath; the Lord is her oath
7	Hebrew	אֵל	a God; God, deity; god, God
8	Hebrew	שמואל	—
9	Hebrew	שְׁמוּאֵל	—

Isabel — Etymology, Origin & Word History | Etymology Explorer