κατακυριεύω
From LSJ
δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
English (LSJ)
A gain or exercise complete dominion, LXXPs.71(72).8. 2 κ. τινός gain dominion over, gain possession of, ib.Ps.9.26 (10.5), 1 Ep.Pet.5.3; [πλοίου] D.S.14.64.