κλωστήριον
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,
A spun thread, dub. in Ostr.1525 (ii B.C.).
German (Pape)
[Seite 1459] der gesponnene Faden, Sp.; auch κλῶστρον