διέρπω
From LSJ
κρείσσων ἐναρχόμενος βοηθῶν καρδίᾳ τοῦ ἐπαγγελλομένου καὶ εἰς ἐλπίδα ἄγοντος· δένδρον γὰρ ζωῆς ἐπιθυμία ἀγαθή (Proverbs 13.12 LXX) → One who sincerely sets about helping is better than one who makes promises leading to hope; for a kindly urge is a tree of life.
English (LSJ)
A creep or pass through, πῦρ δ., of the ordeal of fire, S.Ant. 265; διά τινος Plu.2.517a: metaph., τὸ διέρπον τῶν μηχανημάτων Eun.Hist.p.254D.: abs., of disease, spread, Ph.2.349.
German (Pape)
[Seite 621] dasselbe; πῦρ, durch, das Feuer gehen, Soph. Ant. 265; διά τινος, Plut. de cur. 3.