δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
ămylum: or ămŭlum, i, n., = ἄμυλον,
I starch, Cato, R. R. 87; Cels. 2, 20; Plin. 18, 7, 17, § 76.
ămўlum, ī, n. (ἄμυλον), amidon, empois : Plin. 18, 76