Where does “Elsa” come from?

Elsa (Finnish) comes from Swedish Elsa, from Swedish Elisabet, from Ancient Greek Ἐλισάβετ, from Hebrew אלישבע, from Hebrew אֵל, from Hebrew שמואל, from Hebrew שְׁמוּאֵל.

Ancestry of “Elsa”, step by step

Step	Language	Word	Meaning
1	Swedish	Elsa	—
2	Swedish	Elisabet	Elizabeth biblical character
3	Ancient Greek	Ἐλισάβετ	Elizabeth mother of John the Baptist
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	—

Every word from Hebrew שְׁמוּאֵל →Every word from Hebrew שמואל →Every word from Hebrew אֵל →