ἀγήρατος

English (LSJ)

(A), ον,

   A ageless, κλέος E.IA567 (lyr.), IG14.1930.3: also in Prose, Lys.2.79, X.Mem.4.3.13, Pl.Ax.370d, Arist.Cael. 270b2, Gal.12.201. [Later-ᾱτος, Epigr.Gr.35a (Athens), IG14.1188, Orac. ap. Ps.-Callisth.1.33.]
ἀγήρατος (B), ὁ,

   A stone used by shoemakers to polish women's shoes, Gal.12.201, Asclep. ap. Aët.8.43.

German (Pape)

[Seite 13] (γηράω), unalternd, prof. Form für ἀγήραντος (Plat. vrbdt ἄπονα καὶ ἀγήρατα Ax. 370 d; sonst immer ἀγήρως); ἀτριβὴς καὶ ἀγήρατος, unveränderlich, Xen. Mem. 4, 3, 13; vgl. Cyr. 8, 7, 3; μνῆμαι Lys. 2, 29.