ἐπίκυκλος
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
English (LSJ)
ὁ, Astron.,
A epicycle, Plu.2.1028b, Theo Sm.p.162H., Ptol.Alm.3.3, Iamb.VP6.31 (pl.), etc.
German (Pape)
[Seite 954] ὁ, der Nebenkreis, in der Astronomie, Plut. de anim. procr. e Tim. 31.