4. Dangereux. Un virage traître.
ETYM Old Eng. fend, find, fiend, feond, fiend, foe, AS. feónd.
An implacable or malicious foe; one who is diabolically wicked or cruel; an infernal being; -- applied specifically to a devil or a demon.
A secretly faithless friend.
ETYM Old Eng. traitour, Old Fren. traďtor, traďteur, French treître, Latin traditor, from tradere, traditum, to deliver, to give up or surrender treacherously, to betray; trans across, over + dare to give. Related to Date time, and cf. Betray,Tradition, Traditor, Treason.
Someone who betrays his country by committing treason; SYN. treasonist.