δυσέργεια
From LSJ
ἀπορράπτειν τὸ Φιλίππου στόμα ὁλοσχοίνῳ ἀβρόχῳ → sew up Philip's mouth with an unsoaked rush, stop Philip's mouth with an unsoaked rush, shut one's mouth without any trouble
English (LSJ)
ἡ,
A difficulty, Sor.2.53, Orib.45.18.14; functional defect, Paul.Aeg.6.42, al.