νεανισκεύματα
From LSJ
Πρόσεχε τῷ ὑποκειμένῳ ἢ τῇ ἐνεργείᾳ ἢ τῷ δόγματι ἢ τῷ σημαινομένῳ. → Look to the essence of a thing, whether it be a point of doctrine, of practice, or of interpretation.
English (LSJ)
τά, = Lat. Juvenalia, D.C.61.19, 67.14.
Wikipedia EN
In classical antiquity, the Juvenalia, or Ludi Juvenales (Gr Ἱουβενάλια ὥσπερ τινὰ νεανισκεύματα), were scenic games instituted by Nero in 59 AD, at the age of 21, in commemoration of his shaving his beard for the first time, thus indicating that he had passed from youth into manhood. These games were not celebrated in the circus, but in a private theatre erected in a pleasure-ground (nemus), and consisted of every kind of theatrical performance, Greek and Roman plays, mimetic pieces, and the like.