7سَخَّرَها عَلَيهِم سَبعَ لَيالٍ وَثَمانِيَةَ أَيّامٍ حُسومًا فَتَرَى القَومَ فيها صَرعىٰ كَأَنَّهُم أَعجازُ نَخلٍ خاوِيَةٍAhmed & SamiraHe manipulated/subjugated it on them seven nights and eight days ominously/severing goodness (uprooting), so you see the nation in it lying flat/mad, as if they are palm tree's fallen/destroyed ends.