somnificus
From LSJ
γυναικόφρων γὰρ θυμὸς ἀνδρὸς οὐ σοφοῦ → it's an unwise man who shows a woman's spirit
somnĭfĭcus: a, um, adj. somnus-facio,
I causing sleep, narcotic (Plinian): crater, Mart. Cap. 1, § 82: medicamentum, Plin. 37, 10, 57, § 158: vis aspidum, id. 24, 4, 17, § 63.
