θῆξις
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
English (LSJ)
εως, ἡ,
A = ῥοπή, στιγμή, τάχος, Hsch.; θήξει, = Lat. momento, Gloss.; but κατὰ θῆξιν is f.l. for κατὰ θίξιν in Archig. ap. Gal.12.577.
German (Pape)
[Seite 1208] ἡ, das Wetzen, Schärfen, Sp.
Greek (Liddell-Scott)
θῆξις: -εως, (θήγω) ἀκόνημα, ὀδόντων Εὐστ. Πονημ. 313. 92 ὑπὸ θῆξιν, ὡς τὸ στιγμῇ, εἰς μίαν στιγμήν, Ἐπιφάν.