σολοικ-ισμός · soloik-ismos — LSJ
incorrectness in the use of language, solecism, Arist. SE 173b17; σολοικισμοὶ καὶ βαρβαρισμοί Phld. Rh. 1.159 S., cf. Plu. QConv. 2.731f, Luc. Vit.Auct. 23; but βαρβαρισμός, incorrectness in the use of words, is distd. fr. σολ., incorrectness in the construction of sentences, A.D. Synt. 198.8, cf. Phld. Rh. 1.159 S.
of incorrect reasoning, περὶ σολοικισμῶν, title of work by Chrysippus, Stoic. 2.6; cf.foreg. 1.2.
awkwardness, Plu. Curios. 2.520b (pl.).