ἀμπλάκημα
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
German (Pape)
[Seite 129] τό, Vergehen, Fehler, Tragg., Aesch. Pr. 112; Eum. 894, wo Herm. ἀπλ. lesen will; uno sonst; Soph. Ant. 51 im plur.; Eur. Phoen. 23; auch Lyc. bei Plut. apoph. Lac. p. 220.