ὑπόνομ-ος · hyponom-os — LSJ
undermined
undermined, τόπος D.S. 3.37; χώρα ὑ. πυρὶ καὶ ὕδατι Str. 12.8.17.
2 underground, sewers
underground, ὑ. τάφροι sewers, App. BC 4.13; ὀρύγματα J. AJ 7.9.6; ὑ. ἄντρον Str. 13.1.67; ὑ. τὴν ἀποφορὰν ἔχει, of a lake, Id. 12.8.19 (s. v. l.).
3 spreading, with undermined edges
ὑ. ἕλκος a spreading ulcer with undermined edges, Dsc. 5.120; κόλποι ὑ. Id. 1.128, cf. Heras ap. Gal. 13.815.
II underground passage, mine
ὑπόνομος, ὁ, as Subst., underground passage, mine, Th. 2.76; οὐκέτι ὑπονόμοις, ἀλλʼ ἤδη μηχαναῖς αἱρεῖν τὴν πολιτείαν Plu. Caes. 6.
2 water-pipe, conduit
water-pipe, conduit, X. HG 3.1.7, Arist. Mete. 350a1, IG 2(2).2491.11, PCair.Zen. 745.19 (iii B. C.).
3 sewer
sewer, Str. 5.3.8, App. BC 4.40.
4 vein
vein of minerals, X. Vect. 4.26.