δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
subs.
Use P. and V. πλέθρον, τό (about a quarter of an acre).
Many broad acres shall I leave you: πολυπλέθρους δὲ σοὶ γύας λείψω (Eur., Alc. 687).
ācre: adv., v. 2. acer.
ācrĕ, n., pris advt, v. acer 2.