consuemus

From LSJ

μοῦνοι Ἑλλήνων δὴ μουνομαχήσαντες τῷ Πέρσῃ → alone of all Greeks we met the Persian singlehandedly, alone of all Greeks having fought singlehanded with the Persians

Source

Latin > French (Gaffiot 2016)

cōnsuēmus, cōnsueris, v. consuesco.