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
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ξύλινη δοκός που χρησιμοποιείται για υποστήριξη διαφόρων κατασκευών.
[ΕΤΥΜΟΛ. < ξύλο + -στάτης (< ἵστημι, πρβλ. ἔ-στα-μεν, στά-σις), πρβλ. λυχνο-στάτης].