ἀγριαῖνον

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

Source

Spanish (DGE)

-ου, τό
irritación, enfurecimiento λόγος ἤπιος ... πᾶν τὸ ἀ. ... χαλᾷ D.C.55.17.3, τὸ ἀ. τῆς ἀλόγου ὀργῆς Nil.Narr.7.4, τὸ θυμούμενον καῖ ἀγριαῖνον τοῦ πλήθους Chor.Decl.42.14, cf. Eustr.in EN 4.29.