ἐγγόνιον

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

Source

Spanish (DGE)

-ου, τό
• Alolema(s): -ιν JIWEur.1.62 (Venosa V d.C.), CIIud.920 (Palestina)
nieto, nieta, JIWEur.l.c., CIIud.l.c.
en plu., gener. descendientes, IGLS 1335 (Apamea).