δυσδιόδευτος
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)
ον, = δυσδι-ήλῠτος, Hsch.; of a child's tissues, Sor.1.95.
Greek (Liddell-Scott)
δυσδιόδευτος: -ον, = τῷ ἑπομ., Ἡσύχ.