Ahinadab in the Bible Encyclopedia - ISBE

a-hin'-a-dab ('achinadhabh, "brother of willingness," or, "my brother is willing"): Decidedly the ordinary use of the stem nadhabh is to denote willingness rather than liberality or nobleness One of Solomon's twelve commissary officers (1 Ki 4:14). He was the son of Iddo, and his district was Mahanaim.

Link: https://bible-history.com/isbe/A/AHINADAB/