soporus
From LSJ
ἰσότης φιλότητα ἀπεργάζεται → equality leads to friendship
Latin > English (Lewis & Short)
sŏpōrus: a, um, adj. id. (poet.),
I of or belonging to sleep, i. e.,
I Sleep-bringing, causing sleep: Nox, Verg. A. 6, 390; Luc. 2, 236; Stat. Th. 1, 403: soporae pennae (Somni), Sil. 10, 354: amnis, i. e. Lethe, id. 13, 856.—
II Heavy with sleep, drowsy, dozy: dapibus vinoque soporus, Val. Fl. 2, 222.