δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
subs.
P. and V. κέντρον, τό. Impulse: P. and V. ὁρμή, ἡ. Bait, attraction: P. and V. δέλεαρ, τό.
incentīvē, comme par un aiguillon : Fort. Leob. 10.