za.qun denotes advanced age in clauses identifying a birth or a son as belonging to a father's old age.

The attested verses use the term for advanced age in relation to childbirth and to a son identified in connection with his father's old age; the same basic use appears in both construct and absolute forms.

1. Advanced age in birth and family statements · dominant

   In Genesis 21:2 and Genesis 21:7, the construct form occurs in clauses about Sarah bearing a son for Abraham; the APB renders the setting as Abraham being "in his old age." In Genesis 37:3 and Genesis 44:20, the absolute form identifies a son in relation to his father's old age; the APB renders "a son of his old age."

   Genesis 21:2Genesis 21:7Genesis 37:3Genesis 44:20

In the Anselm Project Bible: The APB presents the phrase with "in his old age" in Genesis 21:2 and Genesis 21:7 and "a son of his old age" in Genesis 37:3 and Genesis 44:20. These renderings confirm the clauses' age setting rather than isolate an English equivalent for each form.