فَمَا ٱسْطَٰعُوٓا۟ أَن يَظْهَرُوهُ وَمَا ٱسْتَطَٰعُوا۟ لَهُۥ نَقْبًا
So they were not able to scale over it, nor were they able, with respect to it, to pierce through.
Roots in this verse: ط و ع (TwE), ظ ه ر (Zhr), ن ق ب (nqb)