παραφθορά
From LSJ
καὶ κεραμεὺς κεραμεῖ κοτέει καὶ τέκτονι τέκτων, καὶ πτωχὸς πτωχῷ φθονέει καὶ ἀοιδὸς ἀοιδῷ → and potter is ill-disposed to potter, and carpenter to carpenter, and the beggar is envious of the beggar, the singer of the singer
English (LSJ)
ἡ,
A corruption, ἐν ταῖς φωναῖς A.D. Adv.164.24 ; of music, Plu.2.1131f ; of language, κατὰ παραφθοράν Hermog.Meth.3, St.Byz.s.v. Ἀμαζόνειον, Eust. 1936.23.
German (Pape)
[Seite 506] ἡ, leichte Verderbung oder Verfälschung, Plut. u. a. Sp., bes. Gramm.