οὐκ
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)
A v. οὐ G.
Greek (Liddell-Scott)
οὐκ: ἴδε οὐ ἐν ἀρχῇ καὶ Β. 1.
French (Bailly abrégé)
v. οὐ.
English (Autenrieth)
see οὐ.
Greek Monotonic
οὐκ: αντί οὐ, πριν από ψιλόπνοο φωνήεν, και στην Ιων. αντί οὐχπριν από δασύπνοο φωνήεν.
Russian (Dvoretsky)
οὐκ: (перед гласным и в конце предложения) = οὐ.