Where does “traîtreusement” come from?
traîtreusement (French) comes from French traîtreux, from French traître, from Old French traïtor, from Latin trāditor, from Latin trādō, from Latin trāns, from Latin Padus, from Lepontic Bodincus — smoke; mist, haze.
traîtreusement (French): treacherously
Ancestry of “traîtreusement”, step by step