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
decuma decumae N F :: tenth part/tithe; (offering/tax/largesse); tax/right to collect 10%; 10th hour
dĕcŭma: ae, f., v. decimus.
(2) dĕcŭma, etc., v. decim-.
