ὑπορύσσω
From LSJ
τά γε μὰν λίνα πάντα λελοίπει ἐκ Μοιρᾶν → but all the thread granted him by the Fates had run out
English (LSJ)
Att. ὑπορύττω,
A dig under, undermine, τὸ τεῖχος, τὰ τείχεα, Hdt.5.115, 6.18, PRyl.127.11 (i A. D.); μέρος τοῦ ἐξαγωγοῦ PTeb. 13.10 (ii B. C.); τὸ σταθμόν, of burglars, ib.804.12 (ii B. C.); σύριγγα Polyaen.6.17: abs., Ath.Mech.20.3: metaph., τὰς κοινὰς διαλύσεις ὑ. Plu.Ages.35; τὰ τῆς διαίτης Luc.Merc.Cond.31; ὑ. τῶν ἀπορρήτων ἔνια find them out, Plu.2.490c.