ἐπέην
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)
Ep. for ἐπῆν, 3sg. impf. of ἔπειμι (A), Il.20.276.
French (Bailly abrégé)
3ᵉ sg. impf. épq. de ἔπειμι¹.
Russian (Dvoretsky)
ἐπέην: и ἐπῆεν эп. (= ἐπῆν) 3 л. sing. impf. к ἔπειμι I.
Greek (Liddell-Scott)
ἐπέην: Ἐπικ. ἀντὶ ἐπῆν, γ΄ ἑν. τοῦ παρατ. τοῦ ἔπειμι (εἰμί), Ἰλ. Υ. 276.
English (Autenrieth)
see ἔπειμ Od. 9.1.