operositas
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 ...
Latin > English (Lewis & Short)
ŏpĕrōsĭtas: ātis, f. operosus,
I excessive pains, overmuch nicety, elaborate workmanship (post-Aug.): est etiam, quae περιεργία> vocatur, supervacua, ut sic dixerim, operositas, Quint. 8, 3, 55: operositas suadendi, Tert. Anim. 2 fin.: vitreorum, Vop. Tac. 11.