προσ
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 ...
Russian (Dvoretsky)
προσ: приставка со знач.:
1) направления (προσέρχομαι);
2) добавления (προστίθημι);
3) смежности или близости (πρόσκειμαι).