σύρραξις
From LSJ
τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)
English (LSJ)
εως, ἡ,
A dashing together, [τῶν κλυδώνων] πρὸς ἀλλήλους Arist.Mir.843a16; ὅπλων Plu.2.339b, cf. Id.Caes.44; cf. σύρρηξις.