δύσφθεγκτος
From LSJ
ἀναπηδῆσαι πρὸς τὸν πάππον → jumped up on his grandfather's knees, sprang up into his grandfather's lap
English (LSJ)
ον, unfit to be uttered, Poll.3.129, 5.123.
Spanish (DGE)
-ον difícil de pronunciar Poll.3.129, 5.123, 9.132.
German (Pape)
[Seite 690] schwer auszusprechen, Poll. 3, 129.