ADA
It has an uncertain meaning, with opinions varying between “pleasure”, “composure” or “beauty”.
(a) One of the two wives of Lamech, mother of Jabal and Jubal (Gen. 4:19, 20, 23).
(b) One of Esau’s wives, daughter of Elon the Hittite. She was the mother of Eliphaz (Gen. 36:2-4, 10). Eliphaz was the father of seven of the chiefs of Edom (Gen. 36:2, 4, 15, 16).