be.khi.rah denotes an eldest female in contrasts with a younger daughter or sister and in identifying a named daughter.

The attested use identifies an eldest female within a family relationship: the older sister in the Genesis account, the elder daughter in a contrast with a younger daughter, and Saul's elder daughter Merab.

1. Eldest female within a family · dominant

   All six occurrences use the feminine singular absolute noun for an elder female relative. In Genesis 19:31, Genesis 19:33, Genesis 19:34, and Genesis 19:37, the APB renders the woman distinguished from the younger sister as “the firstborn”; in Genesis 29:26 it contrasts the younger with the elder daughter, and in 1 Samuel 14:49 it names Merab as Saul's elder daughter.

   Genesis 19:31Genesis 19:33Genesis 19:34Genesis 19:37Genesis 29:261 Samuel 14:49

In the Anselm Project Bible: Across the supplied verses, the APB consistently presents the designation as “the firstborn,” including contrasts with “the younger.” That English wording confirms the verse-level family distinction rather than providing an independent lexical analysis.