Where does “Elizabeth” come from?

Elizabeth comes from Ancient Greek Ἐλισάβετ, which was borrowed from Hebrew אֱלִישֶׁבַע, a name of unknown etymological origin.

Ancestry of “Elizabeth”, step by step

Step	Language	Word	Meaning
1	Middle English	Elizabeth	—
2	Ancient Greek	Ἐλισάβετ	—
3	Hebrew	אלישבע	my God is an oath; the Lord is her oath
4	Hebrew	אֵל	a God; God, deity; god, God
5	Hebrew	שמואל	—
6	Hebrew	שְׁמוּאֵל	—

Elizabeth — Etymology, Origin & Word History | Etymology Explorer