ἰσοστάσιος

ον, τινι, Adv., τό
A. equal in weight, χρυσός, χρυσίον, Str. 4.4.5, Plu. CG 17; equivalent or adequate, τινι Hp. Ep. 16, Luc. DMort. 10.5, D.C. 44.40, Max.Tyr. 6.6; τίς σοι ἰ. νεκρός; Polem. Call. 46, cf. 31; ἆρα οὖν ἰ. τῷ Κρόνῳ ὁ Ζεύς; Dam. Pr. 91: ἰσοστάσιον,τό, prob. name of a ἑταίρα, title of a play by Alexis.
2. equally poised, in equilibrium, metaph., Dam. Pr. 122. Adv. ‐ίως Poll. 8.11: neut. pl. as Adv., βαίνειν Ph. 1.462.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project