σπυρίδιον
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)
[ῐδ], τό, Dim. of σπυρίς, Ar.Ach.453,469, Pherecr.52, PSI4.428.26 (iii B.C.): later σφῠρίδιον, Arch.Pap.6.220 (iii B.C.), PTeb.120.77 (i B.C.).