ἐξαπαλλάσσεσθαι

From LSJ

ἀπορράπτειν τὸ Φιλίππου στόμα ὁλοσχοίνῳ ἀβρόχῳ → sew up Philip's mouth with an unsoaked rush, stop Philip's mouth with an unsoaked rush, shut one's mouth without any trouble

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: ἐξαπαλλάσσω, ἐξαπαλλάττω) fare, be or get rid of, get free from, get off, get quit

Lexicon Thucydideum

subducere se, to withdraw oneself, 4.28.4.