προσκύρωσις
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)
εως, ἡ, confirmation, Gloss.
German (Pape)
[Seite 771] ἡ, Bestätigung, Genehmigung, Sp.
Greek (Liddell-Scott)
προσκύρωσις: ἡ, ἐπικύρωσις, Βασιλικ. τ. 1, σ. 421, ἴδε καὶ Δουκάγγ.