Fr crépuscule < L crepusculum, dim. < creper, dark
crepuscule in American English
(krɪˈpʌskjuːl, ˈkrepəˌskjuːl)
noun
twilight; dusk
Also: crepuscle (krɪˈpʌsəl)
Word origin
[1350–1400; ‹ L crepuscul (um), equiv. to crepus- (akin to creper obscure) + -culum-cule1]This word is first recorded in the period 1350–1400. Other words that entered Englishat around the same time include: absolute, fix, kick, range, screen