فَضَرَبْنَا عَلَىٰٓ ءَاذَانِهِمْ فِى ٱلْكَهْفِ سِنِينَ عَدَدًا
So We struck upon their ears in the cave for numbered years.
Roots in this verse: ض ر ب (Drb), ا ذ ن (A*n), ك ه ف (khf), س ن و (snw), ع د د (Edd)