ٱلتَّكْوِير : ١٧

  • وَٱلَّيۡلِ And the night
  • إِذَا when
  • عَسۡعَسَ it departs
And by the night as it closes in1
Footnotes
1 - An alternative meaning is "as it departs."
and [by] the night as it approaches, as it falls with its darkness, or [it means] as it recedes;