perniciose
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)
pernĭcĭōsē: adv., v. perniciosus.
Latin > French (Gaffiot 2016)
pernĭcĭōsē,¹⁶ pernicieusement, d’une manière funeste : Cic. Leg. 2, 13 || -sius Cic. Leg. 3, 32 ; -sissime Aug. Ep. 39.
