עֲרָפֶל
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 (Strong)
probably from עָרַף; gloom (as of a lowering sky): (gross, thick) dark (cloud, -ness).
