Where does “Esau” come from?

Esau derives from Hebrew עֵשָׂו, a name of uncertain meaning, borrowed into Ancient Greek as Ἡσαῦ.

Ancestry of “Esau”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἡσαῦ	—
2	Hebrew	עֵשָׂו	—

Esau — Etymology, Origin & Word History | Etymology Explorer