διέδριον
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
English (LSJ)
τό, (ἕδρα)
A seat for two persons, Anon. ap. Suid.
Greek (Liddell-Scott)
διέδριον: τό, (ἕδρα) ἕδρα διὰ δύο ἀνθρώπους, Ἄδηλ. παρὰ Σουΐδ.
Spanish (DGE)
-ου, τό
asiento doble, PMichael.18.3.12 (III d.C.), Gloss.2.30, Sud.