operositas
From LSJ
τί ἦ μοι ταῦτα περὶ δρῦν ἢ περὶ πέτρην → but what is this to me, about an oak or a rock | but what are these things about a tree or a rock to me | why all this about trees and rocks | why all this about what we have nothing to do with | but why am I off on this tangent
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.
Latin > French (Gaffiot 2016)
ŏpĕrōsĭtās, ātis, f. (operosus), excès de travail, de peine, de soin : Quint. 8, 3, 55 || difficulté, peine, embarras : Tert. Anim. 2, fin.