2. A son of Artabanus [No. 1], and a cousin therefore of Xerxes, was one of the commanders of the Persian infantry when the barbarians invaded Greece in B. C. 480.
After the battle of Thermopylae, when the Persians had been informed by some Arcadian deserters of the contests at Olympia for no other prize than a simple olive-crown, Tritantaechmes exclaimed that men who thus strove, not for gain, but for glory, could not be attacked with much chance of success, a sentiment which Xerxes ascribed to cowardice. (Hdt. 7.82