An-Naba • EN-AL-JALALAYN
﴿ وَبَنَيْنَا فَوْقَكُمْ سَبْعًۭا شِدَادًۭا ﴾
“And We have built above you seven firmaments,”
and built above you seven mighty ones? seven heavens shidād is the plural of shadīda that is to say strong and sturdy unaffected by the passage of time