προγηράσκω
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)
A grow old before, τοῦ χρόνου τοῦ ἱκνευμένου Hp.Aër.7: abs., Luc.Tim.20. 2 grow prematurely old, Id.Rh.Pr.10, Sor.1.87; ἐν τοῖς πόνοις Ph.2.287.
German (Pape)
[Seite 713] (s. γηράσκω), vorher altern, Hippocr. u. Sp.; προγηράσαντος τοῦ περιμένοντος, Luc. Tim. 20; προγηράσαι τοῖς πόνοις, rhet. praec. 10.