κεραμίδιον
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
English (LSJ)
τό, Dim. of κεραυίς, IG12 (9).907.26 (Chalcis, iv A.D.), Sch.D.T. p.196 H.
German (Pape)
[Seite 1420] τό, dim. von κέραμος, Töpfchen, B. A. 794.
Greek (Liddell-Scott)
κεραμίδιον: τό, ὑποκορ. τοῦ κεραμίς, Α. Β. 794. 25.