δισσός
From LSJ
τὸ γὰρ βραχύ τι τοῦτο πᾶσαν ὑμῶν ἔχει τὴν βεβαίωσιν καὶ πεῖραν τῆς γνώμης → this trifle contains the whole seal and trial of your resolution
English (LSJ)
Att. διττός, Ion. διξός (q. v.), ή, όν, (δίς)
A twofold, double, Hdt.2.44, 7.70, Pl.Tht.198d, etc. Adv. διττῶς, opp. ἁπλῶς, doubly, in two ways, δ. [γνώριμα] Arist.EN1095b2; δ. λέγεσθαι ib.1096b13, al. 2 executed in duplicate, ἀποχή POxy.1024.39 (ii A. D.), etc. II pl., two, Pi.N.1.44, Hdt.5.40,52, A.Pr.957, S.Aj.57, etc.: with a dual, δισσοὶ προάγοντε μάλιστα Iamb.Comm.Math. 25. III metaph., divided, disagreeing in mind, λήμασι δισσούς (λήμασιν ἴσους Dind.) A.Ag.122 (lyr.). 2 doubtful, ambiguous, ὄνειροι S.El.645; τὸ δ. ambiguity, Arist.Pol.1261b29. Adv. διττῶς Id.SE180a15.