adversa

From LSJ

ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm

Source

Latin > English

adversa adversae N F :: enemy/adversary/opponent (female)

Latin > French (Gaffiot 2016)

adversa, ōrum, v. adversus 2.