κερᾰμ-ῖτις · keram-itis — LSJ
of or for pottery, κ. γῆ potterʼs earth, Hp. Morb. 1.17, 3.1, Plu. Vit. aer. al. 2.827e, Gal. 2.137; κ., ἡ, a gem of the colour of potsherds, Plin. HN 37.152 (acc. -την, nisi leg. -τιν, Cat.Cod.Astr. 8(2).169, cf. 8(1).190).