ἀδιάστολος
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, Gramm.,
A not distinguished, A.D.Pron.11.26. Adv. -λως, λ[έγο]ντας Phld.Rh.1.53S., cf. Phoeb.Fig.1.3, Porph.Abst.2.37.