σηραγγώδης
From LSJ
εἰ γάρ κεν καὶ σμικρὸν ἐπὶ σμικρῷ καταθεῖο καὶ θαμὰ τοῦτ᾽ ἔρδοις, τάχα κεν μέγα καὶ τὸ γένοιτο → for if you add only a little to a little and do this often, soon that little will become great (Hesiod W&D, 361-362)
English (LSJ)
ες,
A full of holes or caverns, Ἴδη Paus.10.12.4, cf. D.C.48.51, Agath.2.15, Lyd.Ost.53. 2 porous, spongy, Hp.VC 1, al.; θηλαί Sor.1.88; νεῦρον Gal.10.968.
German (Pape)
[Seite 876] ες, höhlenartig, voll Höhlen, porös, löcherig, Sp., wie Plut. plac. phil. 3, 15.
Greek (Liddell-Scott)
σηραγγώδης: -ες, (εἶδος) πλήρης ὀπῶν καὶ σπηλαίων, Ἴδη Παυσ. 10. 12, 4. 2) πορώδης, σπογγώδης, Ἱππ. Κεφ. Τρωμ. 896, κ. ἀλλ.· πρβλ. Foës Oecon.