ἀποκρήμνημι
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
English (LSJ)
A = ἀποκρεμάννυμι, Sor.1.71, Diog.Ep.30.3.
Spanish (DGE)
colgar ἀποκρήμνησί μου τοῦ ὤμου πήραν Diog.Ep.30.3.