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
scruto scrutare, scrutavi, scrutatus V TRANS :: search/probe/examine carefully/thoroughly; explore/scan/scrutinize/investigate
scrūto: āre, v. scrutor.
scrūtō, v. scrutor.
scrūto, s. scrutor.