ἐν πίθῳ ἡ κεραμεία γιγνομένη → trying to run before you can walk, the potter's art starting on a big jar
siccesco: ĕre,
I v. inch. n. siccus, to grow or become dry, to dry up (not anteAug.), Cels. 7, 7, 15; Vitr. 2, 10; Col. 12, 28; Plin. 18, 34, 77, § 339.
siccēscō, ĕre (siccus), intr., devenir sec : Plin. 18, 339.