ὀνηδόν

From LSJ

πολλὰ μεταξὺ πέλει κύλικος καὶ χείλεος ἄκρου → there is many a slip twixt cup and lip, there's many a slip twixt cup and lip, there's many a slip 'twixt cup and lip, there's many a slip twixt the cup and the lip, there's many a slip 'twixt the cup and the lip

Source

Greek (Liddell-Scott)

ὀνηδόν: Ἐπίρρ, (ὄνος) ὡς ὄνος, κατὰ τὸν τρόπον τῶν ὄνων, ὀνηδὸν ἐπιβρωμώμενος Νικήτ. Χρον. 20, 3, σ. 380Α.