δερματίκιον
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, prob. written for δελμ-, PTeb.413 (ii/iii A. D.), etc.
Spanish (DGE)
v. δελματίκιον.