ADDO

ad'-o (Codex Alexandrinus, Addo; Codex Vaticanus, Eddein) = Iddo (Ezra 5:1; 6:14): The father (Zechariah 1:1,7 grandfather) of Zechariah the prophet (1 Esdras 6:1).

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.