ὀκτήρης
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English (LSJ)
(sc. ναῦς), ἡ,
A warship with eight rowers to each oar, Plb.16.3.2, Plu.Ant.61.
German (Pape)
[Seite 317] ες, achtfach gefügt, Pol. 16, 3, 2; ἡ, ein Schiff mit acht Reihen von Ruderbänken.