a.chi.lud is a personal name used to identify Jehoshaphat and Baana as sons in administrative notices.

The attested form is a proper personal name used in patronymic clauses: Jehoshaphat is identified as its son in court-office notices, while Baana is identified as its son in an administrative assignment.

1. Personal name in patronymic identification · dominant

   Tagged as a proper noun in every occurrence, the form identifies Jehoshaphat in notices of his office: in 2 Samuel 8:16 and 1 Chronicles 18:15 the APB renders him as “Jehoshaphat son of Ahilud” and calls him recorder; 2 Samuel 20:24 likewise places him beside Adoram's assignment. In 1 Kings 4:3 the APB again identifies Jehoshaphat in a list of officials, while in 1 Kings 4:12 it identifies Baana as “son of Ahilud” in connection with his charge of specified places.

   2 Samuel 8:161 Chronicles 18:152 Samuel 20:241 Kings 4:31 Kings 4:12

In the Anselm Project Bible: The APB consistently presents the name within “son of Ahilud” identifications, naming Jehoshaphat in office lists and Baana in an administrative assignment. This reflects the clauses as rendered rather than a separate English definition.