crepuscule

• crepuscle

From Middle French crepuscule, from Latin crepusculum.

• (UK) IPA^(key): /ˈkɹɛp.ʊˌskjuːl/
• (US) IPA^(key): /kɹɪˈpʌs.kjul/, /ˈkɹɛp.əˌskjul/

crepuscule (plural crepuscules)

1. (now rare) Twilight.
   • 1969, Vladimir Nabokov, Ada or Ardor, Penguin, published 2011, page 54:

     Van watched them with the same pleasurable awe he had experienced as a child, when, lost in the purple crepuscule of an Italian hotel garden, in an alley of cypresses, he supposed they were golden ghouls or the passing fancies of the garden.

• blue hour, gloaming; see also Thesaurus:twilight

• crepuscular

• smokefall
• crepusculum