[kri-puhs-kyool, krep-uh-skyool]
See more synonyms for crepuscule on
Also cre·pus·cle [kri-puhs-uh l] /krɪˈpʌs əl/.

Origin of crepuscule

1350–1400; < Latin crepuscul(um), equivalent to crepus- (akin to creper obscure) + -culum -cule1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for crepuscule

late 14c., from Old French crépuscule (13c.), from Latin crepusculum.

Online Etymology Dictionary, © 2010 Douglas Harper