ignavio
From LSJ
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
Latin > English (Lewis & Short)
ignāvĭo: īre, v. a. id.,
I to render inactive, slothful, or dispirited, Att. ap. Non. 123, 13; id. ib. 126, 15 (Trag. Rel. p. 282 Rib.).