νῶϊ
From LSJ
πεσούσης νυκτός, πάσα γυνὴ Λαΐς εστί → at nightfall, every woman is a Laïs | all cats are gray at night | all cats are gray by night | all cats are gray in the dark | all cats are grey at night | all cats are grey by night | all cats are grey in the dark | all women look the same with the lights off | when lights are out all women look the same
English (LSJ)
A v. ἐγώ III.
German (Pape)
[Seite 272] nom. u. acc. dual. zu ἐγώ, wir beide, uns beide, Hom. u. sonst; kürzere attische Form ist νώ, die schon Od. 15, 475. 16, 306 vorkommt; Plat. Phaedr. 259 a u. sonst; Corinna u. Antimachus sollen auch νῶε gebraucht haben. – Gen. u. dat. νῶϊν, unser beider, uns beiden, Hom. u. ion., att. νῷν; Aesch. Ch. 232; Plat. Phil. 28 e Conv. 219 a u. A. Vgl. Buttm. Lexil. I p. 49 ff.