διάπλευσις
From LSJ
Οὗτος Ἰουστῖνον καὶ Νεοβιγάστην στρατηγοὺς προβαλόμενος, καὶ τὰς Βρεττανίας ἐάσας, περαιοῦται ἅμα τῶν αὐτοῦ ἐπὶ Βονωνίαν → He appointed Justinus and Neovigastes as generals, and leaving Britain, crossed with his forces to Bononia.(Olympiodorus/Photius)
Greek (Liddell-Scott)
διάπλευσις: -εως, ἡ, τὸ διαπλέειν, διάπλευσις ἰχθύων Ν. Χων. σ. 579, 7, Βόνν.