πεισμονή
From LSJ
Πάντα ταῦτα ἐπείρασα ἐν τῇ σοφίᾳ: εἶπα Σοφισθήσομαι, καὶ αὐτὴ ἐμακρύνθη ἀπ' ἐμοῦ· κτλ. (Εcclesiastes 7:23f., LXX version) → I tried to give proof in wisdom of all those things; I said, I will be wise, but that wisdom was far from me ...
English (LSJ)
ἡ,
A persuasion, Ep.Gal.5.7, cf. PMag.Par.2.274, PLond.5.1674.36 (vi A. D.). 2 confidence, ἡ ἐξ ἀλλήλων πρὸς ἀλλήλους γινομένη π. A.D.Synt.299.17. II quality of a cable, pertinacity, Eust.28.24, 741.8, etc.