πρόμαχος
[προ- 2 + μάχομαι. He who fights in front.]
In pl., the front rank, the fighting line, the forefront of the battle: ἐν προμάχοισι φανέντα Il. 3.31. Cf. Il. 4.253, 495, Il. 5.134, 250, Il. 11.188, 358, etc.: Od. 18.379, Od. 24.526.