βαθύχροος
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)
ον, contr. βᾰθύ-χρους, ουν,
A deep-coloured, Dsc.5.94.
German (Pape)
[Seite 425] von tiefer dunkler Farbe, Diosc.