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
ἄμοιρος, ἄνευρος, ἄπολις, ὀρφανός, ἐπιδεής, ἐρῆμος, ἔρημος