opium

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)

ŏpĭum: or -on, i, n., = ὄπιον>,
I poppyjuice, opium, Plin. 20, 18, 76, § 199; 25, 10, 81, § 130.