ῥιγοπύρετος
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)
[ῠ], ὁ,
A fever with shivering fits, ague, Gal.19.560,567, Ptol.Tetr.115, Vett.Val.210.5; also ῥῑγο-πύρετον, τό, Phryn.PSp.73B.; Dim. ῥῑγο-τίον, τό, Hsch. s.v. ἠπιόλιον.
German (Pape)
[Seite 842] ὁ, ein Fieber mit heftigem Frostschauer, Hippocr.; bei B. A. 42 τὸ καλούμενον ῥιγοπύρετον.