Boyd’s Bible Dictionary:
(Ethiopian). (1) A foreigner in David’s army (2 Sam. 18:21-32). (2) An ancestor of Jehudi (Jer. 36:14). (3) Father of Zephaniah (Zeph. 1:1).
Concise Bible Dictionary:
1. Joab’s messenger to David on the death of Absalom (2 Sam. 18:21-32), where the RV has “the Cushite.”
2. Ancestor of Jehudi (Jer. 36:14).
3. Father of Zephaniah the prophet (Zeph. 1:1).
Jackson’s Dictionary of Scripture Proper Names:
gentilic of Cushan