γύαλον
ἐν πίθῳ ἡ κεραμεία γιγνομένη → trying to run before you can walk, the potter's art starting on a big jar
English (LSJ)
[ῠ], τό,
A hollow, in Il. always of the breast- or back-piece of the cuirass, [θώρηκα] γυάλοισιν ἀρηρότα Il.15.530: sg., usu. of the front-piece, 5.99, al. 2 hollow of a vessel, κρατήρων γ. E.IA1052 (lyr.); hollow vessel, χρυσοῦ γέμοντα γύαλα θησαυροὺς βροτῶν Id.Andr.1093 (v. infr. 4). 3 κοίλας πέτρας γ. hollow of a rock, S.Ph. 1081 (lyr.); cavern, πέτρινα [μύχατα] γύαλα E.Hel.189 (lyr.). 4 pl., of hollow ground, vales, dells, γυάλοις ὕπο Παρνησοῖο Hes.Th. 499, cf. h.Ap.396; Νύσης h.Hom.26.5; γ. Θεράπνας Pi.N.10.56 (but γ. Πυθῶνος, Φοίβου Id.P.8.63, E.Ph.237 (lyr.), cf. Ion 245, S.Fr.460, may perh. refer to the rock-chambers of Delphi, cf. γύαλα· θησαυροί, ταμιεῖα, Hsch., and so perh. in E.Andr.1093 (v. supr.)); Λύδιά τ' ἂγ γύαλα throughout the vales of Lydia, A.Supp.550 (lyr.); γύαλα χώρας Ar.Th.110 (lyr.); αἰθέρια γύαλα the vault of heaven, Opp.C. 1.281, cf. Orph.H.19.16.
