επιμειδιώ
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
Greek Monolingual
ἐπιμειδιῶ, ἐπιμειδιάω (AM) μειδιώ
χαμογελώ για κάτι («ταῦτα ἀκούσαντα ἐπιμειδιᾱσαι λέγεται τῷ λόγῳ», Αρρ.)