λαβδακισμός
From LSJ
ἔνδον γὰρ ἁνὴρ ἄρτι τυγχάνει, κάρα στάζων ἱδρῶτι καὶ χέρας ξιφοκτόνους → yes, the man is now inside, his face and hands that have slaughtered with the sword dripping with sweat
English (LSJ)
ὁ, lambdacism, lallation (λάβδα) a defect in pronunciation, Quint.Inst.1.5.32 (pl.), Diom.453 K.
German (Pape)
[Seite 1] ὁ, Lambdazismus, λαμβδακισμός (err.)