κατάπλασις
From LSJ
ἐν πίθῳ τὴν κεραμείαν μανθάνειν → in breaking many pots, the potter learns his craft | of those who undertake the most difficult tasks without learning the elements of the art | don't run before you can walk
English (LSJ)
εως, ἡ,
A plastering or poulticing, Hp.VC13, cj. in Sor.1.73.
German (Pape)
[Seite 1370] ἡ, das Aufstreichen, Beschmieren, Hippocr.