Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → For extreme diseases, extreme methods of cure, as to restriction, are most suitable.
ex-saevĭo: (exaev-), īre, v. n.,
I to rage itself out, to cease raging: stetit ibi, dum reliquum tempestatis exsaeviret, Liv. 30, 39, 2.