ὅνυ
From LSJ
Οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → Silere non est turpe, sed frustra loqui → nicht Schweigen schändet, sondern Schwätzen auf gut Glück
English (LSJ)
Arc. and Cypr. for ὅδε, declined like ὁ with addition of -νυ, nom. sg. masc.
A ὅνυ Inscr.Cypr.141 H., acc. τόνυ ib.140H., dat. τῷνυ Schwyzer664.11 (Orchom. Arc., iv B. C.), acc. pl. neut. τάνυ IG5(2).3.14 (Tegea, iv B. C.), gen. τῶννυ SIG306.59 (ibid., iv B. C.), IG5(2).262.23 (Mantinea, v B. C.), dat. pl. fem. ταῖννυ SIG306.30 ; also, with -νυν for -νυ, acc. sg. fem. τάννυν, acc. pl. masc. τόσνυν, ib.559.48,49 (Megalopolis, found at Magn. Mae., iii B. C.).