loup-garou
noun
loup-ga·rou ˌlü-gə-ˈrü 
plural loups-garous ˌlü-gə-ˈrü(z)
: werewolf
Word History
Etymology
Middle French, from Old French leu garoul, from leu wolf + garoul werewolf
First Known Use
circa 1580, in the meaning defined above