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
ancus: appellatur, qui aduncum bracchium habet et exporrigi non potest, Paul. ex Fest. p. 19 Müll. [v. ango.