ἑδράζω
From LSJ
ὁ φίλος ἐστὶν ἄλλος αὐτός → the friend is another self
English (LSJ)
A cause to sit, place, ἐπὶ πλευρᾶς D.H.Comp.6; ἄλλυδις AP15.24 (Simm.); settle, establish, Jul.Or.5.165a, Procl. Inst.64, Simp.in Ph.528.21, Sch.A.R.4.947:—Med. or Pass., to be seated or fixed, Callix.1, Haussoullier Milet p.163, Porph.Marc.19, Dam.Pr.138; ἡδρασμένος secure, θρόνος D.Chr.1.78, cf. Sor.2.22.