ἰσόκοιλος
From LSJ
τὸ βέλτερον κακοῦ καὶ τὸ δίμοιρον αἰνῶ, καὶ δίκᾳ δίκας ἕπεσθαι, ξὺν εὐχαῖς ἐμαῖς, λυτηρίοις μηχαναῖς θεοῦ πάρα → I approve the better kind of evil, the two-thirds kind, and that, in accordance with my prayers, through contrivances bringing salvation at the god’s hand
English (LSJ)
ον,
A with equal cavities, αὐλός Plu.2.1021a, Theo Sm.p.60 H.(pl.).
German (Pape)
[Seite 1264] gleich hohl, αὐλός Plut. de an. procr. e Tim. 12.