Permessus
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
Latin > English (Lewis & Short)
Permessus: i, m., = Περμησσός,
I a river in Bœotia sacred to Apollo and the Muses, which rises in Mount Helicon and flows into the Copaic lake, Verg. E. 6, 64.— Hence,
A Permessis, ĭdis or ĭdos, adj. f., Permessian, Mart. 1, 77, 11; 8, 70, 3.—
B Permessĭus, a, um, adj., Permessian: fons, Claud. Laud. Seren. 8.
Latin > French (Gaffiot 2016)
Permēssus,¹⁵ ī, m. (Περμησσός), le Permesse [fleuve de Béotie sortant de l’Hélicon dont la source était consacrée aux Muses] : Virg. B. 6, 64 || -ssĭus, a, um, du Permesse : Claud. Seren. 8.