Arphax'ad. (stronghold of the Chaldees).

1. The son of Shem and ancestor of Eber. Genesis 10:22; Genesis 10:24; Genesis 11:10.

2. Arphaxad, a king "who reigned over the Medes in Ecbatana," Judith 1:1-4; perhaps the same as Phraortes, who fell in a battle with the Assyrians, 633 B.C.