διορ-ύσσω · dior-yssō — LSJ
dig through, having dug, across, along
dig through, διὰ τάφρον ὀρύξας having dug a trench across or along, Od. 21.120; τοῖχον δ., = τοιχωρυχέω, Hdt. 9.37, cf. Ar. Pl. 565, Th. 2.3, D. 54.37; δεσμωτήριον Id. 25.56; οἰκίαν X. Smp. 4.30, PPetr. 3p.60: c. acc. loci, τὸν Ἄθω Lys. 2.29, cf. Pl. Lg. 699a, D. 6.30: —Pass., Ev.Matt. 24.43.
2 undermine, ruin, to be entrenched, several
metaph., undermine, ruin, D. 45.30; φιλίαν Lib. Or. 1.123; δημοκρατίαν Id. Decl. 1.41:—Pass., διορωρυγμένα δωροδοκίαις Plu. Phoc. 12, cf. Him. Ecl. 5.6 (but to be entrenched in our several cities, D. 9.28).
II worm out
worm out, ἀπόρρητα Bato 6; τὰ βουλευόμενα Plu. Util. 2.87c.
III to be shut up in a funeral vault
Pass., to be shut up in a funeral vault, D.S. 4.43.