duello
From LSJ
ἕτερος ἐξ ἑτέρου σοφός τό τε πάλαι τό τε νῦν → one gets his skill from another, now as in days of old
Latin > English
duello duellare, duellavi, duellatus V INTRANS :: duel
Latin > French (Gaffiot 2016)
dŭellō, āre, combattre : Gloss.