δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
ἀσπουδεί, ἀσπουδί, ἀμαχεί, ἀμαχί, ἀμαχητί, ἀκονεί, ἀκονητί, ἀκονιτεί, ἀκονιτί, ἀσσκονικτεί