νεῖρα
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)
Russian (Dvoretsky)
νεῖρα: или νείρα ἡ (= νείαιρα)
1) нижняя часть живота Eur.;
2) внутренности Aesch.
Greek (Liddell-Scott)
νεῖρα: ἢ νείρα, ἴδε ἐν λ. νείαιρα.
Greek Monotonic
νεῖρα: ή νείρα, ἡ, συνηρ. αντί νείαιρα, σε Αισχύλ.