duellator
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
Latin > English (Lewis & Short)
dŭellātor: dŭellĭcus, v. bell.
Latin > French (Gaffiot 2016)
duellātŏr,¹⁶ ōris, m. (duellum), guerrier, homme de guerre : Pl. Capt. 68.
Latin > German (Georges)
duellātor, ōris, m., altlat. = bellator, Plaut. capt. prol. 68.
Latin > English
duellator duellatoris N M :: warrior, fighter; (old form and poetic replacement for bellator)