κερᾰμ-εία · keram-eia — LSJ
the potterʼs craft, Pl. Prt. 324e: prov., ἐν πίθῳ τὴν κ. μανθάνειν, of those who undertake the most difficult tasks without learning the elements of the art, Id. Grg. 514e, cf. La. 187b, Dicaearch.Hist. 51 [100]; τῆς αὐτῆς κ., of the same make, Eratosth. ap. Ath. 11.482b.