Commentary on Sophocles: Oedipus Tyrannus by Sir Richard C. Jebb
μέν νυν as in Soph. Trach. 441.
οὐκ ἰσούμενόν σ’, governed by κρίνοντες in 34. But he begins as if instead of ἑζόμεσθ’ ἐφέστιοι, ἱκετεύομεν were to follow: hence ἰσούμενον instead of ἴσον. It is needless to take ἰσούμενον (1) as accus. absol., or (2) as governed by ἑζόμεσθ’ ἐφέστιοι in the sense of ἱκετεύομεν, —like φθορὰς … ψήφους ἔθεντοAesch. Ag. 814, or γένος … νέωσον αἶνονAesch. Supp. 533. Musgrave conj. ἰσούμενοι as = “deeming equal,” but the midd. would mean “making ourselves equal,” like ἀντισουμένουThuc. 3.11. Plato has ἰσούμενον as passive in Plat. Phaedrus 238e, and ἰσοῦσθαι as passive in Plat. Parm. 156b: cp. 581 ἰσοῦμαι.
make equal, τινί τι S. El. 686, Ar. V. 565 (dub.l.), Hp. Morb. 4.39:— Med., ὄνυχας χεῖράς τε ἰσώσαντο they made their nails and hands alike, i.e. used them in like manner, Hes. Sc. 263:— Pass. (with aor. 1 Med.), to be made like or equal to, τοῖσίν κεν ἐν ἄλγεσιν ἰσωσαίμην Od. 7.212; θεοῖσι μέν νυν οὐκ ἰσούμενόν σʼ . . κρίνοντες S. OT 31, cf. 581, Hp. l.c.: abs., ἰσούμενος, opp. κρείττων, Pl. Phdr. 239a; to be made level, of a bank, POxy. 1674.7 (iii A.D.).