διορύσσειν
From LSJ
Χεὶρ χεῖρα νίπτει, δάκτυλοι δὲ δακτύλους → Digitum lavat digitus et manum manus → Die Finger waschen Finger, die Hand die andre Hand
Greek > English (Woodhouse Verbs Reversed)
(see also διορύσσω): dig, undermine, burrow through, dig through
Lexicon Thucydideum
perfodere, to pierce through, perforate, 2.3.3.