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
hōrŏlŏgĭum: ĭi, n., = ὡρολόγιον,
I a clock, horologe, either a sundial or a waterclock, Plin. 2, 76, 78, § 187; 7, 60, 60, § 213; Varr. R. R. 3, 5, 17; Cic. Fam. 16, 18, 2; Vitr. 9, 8 sq.; Inscr. Orell. 2032; 3298 sq.