ταχυτής
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
English (LSJ)
ῆτος, Dor. τᾰχυ-τάς, ᾶτος, ἡ (on the accent v. Hdn.Gr.1.83),
A quickness, swiftness, of dogs, Od.17.315; ταχυτῆτος ἄεθλα, of the race, Il.23.740; τ. ποδῶν Xenoph.2.1, 17, Pi.O.1.95; ἥσσων ἐς ταχυτῆτα Hdt.3.102, cf. Anaxag.9, Archyt.1, Pl.La.192a, Arist. Mete.342a5; of persons, hastiness, Id.EN1150b27.
German (Pape)
[Seite 1077] ῆτος, ἡ (Accent nach Arcad. p. 28, 9), wie τάχος, Schnelligkeit, bes. Schnellfüßigkeit; ταχυτῆτος ἄεθλα, vom Wettlaufe, Il. 23, 740; von Hunden, Od. 18, 315; ταχυτὰς ποδῶν, Pind. Ol. 1, 95 I. 4, 10; u. in Prosa, Plat. Charm. 159 d Lach. 192 b, wie Sp.