ARPHAXAD, ARPACHSHAD (ar-făk’săd, Heb. Arpachshad). Third son of Shem, c. 2479 b.c., the first birth recorded after the Flood. He lived 438 years and was the ancestor of the Hebrews and of many Arab tribes. In fact, all Semites descend from him except Arameans, Assyrians, Elamites, and Lydians, (
ARPHAXAD. KJV, ASV form of Arpachshad.
International Standard Bible Encyclopedia (1915)
(2) In Apocrypha (Judith 1) a king of the Medes, who reigned in Ecbatana. He was defeated and slain by Nebuchadrezzar.