βαρβαρισμός
From LSJ
τὸ ἓν καὶ τὸ ὂν πολλαχῶς λέγεται → the term being and the term one are used in many ways, one and being have various meanings, one and being have many senses
English (LSJ)
ὁ,
A use of a foreign tongue or of one's own tongue amiss, barbarism, Arist.Po.1458a26, Diog.Bab.Stoic.3.214, Ph.1.124, Plu.2.731e; μιᾶς λέξεως κακία ὁ β., ἐπιπλοκῆς δὲ λέξεων ἀκαταλλήλων ὁ σολοικισμός A.D.Synt.198.7.
German (Pape)
[Seite 432] ὁ, eigtl. das Reden einer fremden Sprache, das Reden oder Schreiben einer Sprache nach Art eines Fremden, dah. Sprachfehler, fehlerhafter Ausdruck, Arist. Poet. 22; Luc. D. Mort. 10, 10 Gramm.