ἄρφα
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)
ἀρραβών (i.e.
A arrha), Hsch. ἀρφύς· ἱμάς (Maced.), Id. ἀρφύταινον· δίσκος (Lyd.), Id. ἄρχα· ἀρραβών, Id.; cf. ἄρφα.