operositas
From LSJ
εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
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.