a.dah is a personal name borne by Lamech’s wife and by Esau’s wife in the supplied Genesis passages.

The supplied passages use the term as a proper personal name for Esau’s wife, identified through her father, children, and descendants, and for Lamech’s wife, named alongside Zillah and as Jabal’s mother.

1. Name of Esau’s wife · dominant

   In Genesis 36:2 the APB renders the clause "Adah daughter of Elon the Hittite" among Esau’s wives. Genesis 36:4 and Genesis 36:10 place the proper noun in statements of her relationship to Esau and Eliphaz, while Genesis 36:12 and Genesis 36:16 identify Eliphaz’s line as her sons.

   Genesis 36:2Genesis 36:4Genesis 36:10Genesis 36:12Genesis 36:16
2. Name of Lamech’s wife · common

   In Genesis 4:19 the APB renders the name of Lamech’s first wife as "Adah," alongside Zillah. Genesis 4:20 names her in the birth of Jabal, and Genesis 4:23 places her among the wives addressed by Lamech.

   Genesis 4:19Genesis 4:20Genesis 4:23

In the Anselm Project Bible: The APB presents the term as "Adah" in each supplied verse. It uses the name in family identifications, birth statements, descendant listings, and Lamech’s address; Those clauses provide context rather than a lexical rendering beyond the name.