ἀκατεύοδος

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)

ἀκατεύοδος: -ον, ὁ δύσκολος εἰς διάβασιν, ὁδός, Ἄχμες Ὀνειρ. 170.