παρηβ-άω · parēb-aō — LSJ
to be past oneʼs prime, to be elderly, Hdt. 3.53, Th. l.c., J. BJ 7.8.7, Luc. Tim. 2, etc. ; π. τὸ σῶμα Longus 3.15 : metaph., χρόνος παρήβησεν A. Ag. 985 (lyr.).
metaph., lose strength, οἶνος Luc. Lex. 13.
to be on the point of puberty, Gal. 14.755.