γραμματική ἐστιν ἐμπειρία τῶν παρὰ ποιηταῖς τε καὶ συγγραφεῦσιν ὡς ἐπὶ τὸ πολὺ λεγομένων → grammar is a practical knowledge of the usage of poets and writers of prose
refining process (of gold): P. ἕψησις, ἡ (Plato).
love of art: P. φιλοτεχνία, ἡ.
luxury: P. and V. τρυφή, ἡ, χλιδή, ἡ (Plato).