δεῖσθαι
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 ...
Greek > English (Woodhouse Verbs Reversed)
(see also δέω): beg, demand, entreat, need, require, be lacking in, crave a thing of a person, do without be lacking in, have need of