etymologicus
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)
ĕtymŏlŏgĭcus: a, um, adj., = ἐτυμολογικός,
I etymological: ratio, Gell. 1, 18, 1.
Latin > French (Gaffiot 2016)
ĕtўmŏlŏgĭcus, a, um, (ἐτυμολογικός), étymologique : Gell. 1, 18, 1.