δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
[2] Toben, das, tumultuatio. tumultus (das Lärmen). – strepitus (lautes Getöse, so daß es widerhallt). – furor (das Rasen). – aestus (das Wallen und Brausen des Meeres).