ὑπερτρυφάω
From LSJ
διὸ πᾶσαι αἱ τέχναι καὶ αἱ ποιητικαὶ ἐπιστῆμαι δυνάμεις εἰσίν → hence all arts, i.e. the productive sciences, are potencies
English (LSJ)
A to be excessively luxurious and haughty, Luc.JTr.48, D.C.62.28.
German (Pape)
[Seite 1203] übermäßig schwelgen, E. M. Vgl. Luc. asin. 56.