Where does “Eliza” come from?

Eliza is a shortened form of Elizabeth, which derives from Ancient Greek Ἐλισάβετ, ultimately from Hebrew אֱלִישֶׁבַע.

Ancestry of “Eliza”, step by step

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

Eliza — Etymology, Origin & Word History | Etymology Explorer