δύσφθεγκτος
From LSJ
ἀεί ποτ' εὖ μὲν ἀσκός εὖ δὲ θύλακος ἅνθρωπός ἐστι → this guy's always good at being a wineskin, and at times a winesack
English (LSJ)
ον, unfit to be uttered, Poll.3.129, 5.123.
German (Pape)
[Seite 690] schwer auszusprechen, Poll. 3, 129.
Spanish (DGE)
-ον difícil de pronunciar Poll.3.129, 5.123, 9.132.