different between smokefall vs crepuscule

English

From smoke +? fall

smokefall (uncountable)

The close of the day before nightfall, when fog comes.
- 1935: T.S. Eliot, Four Quartets, "Burnt Norton" (possible neologism)
  The moment in the draughty church at smokefall
The soot fallout from a cloud of smoke.
- 1985: T.S. Ledley and S.L. Thompson, Potential effect of nuclear war smokefall on sea ice (apparent neologism)
  The largest sea ice perturbations are generated by smokefall in spring.
An artificial waterfall of smoke for shows.

From Middle French crepuscule, from Latin crepusculum.

crepuscule (plural crepuscules)

Send