{Because your Lord has inspired it}, meaning: He commanded it—according to the interpretation of Mujahid—to cast forth what is within its depths.
﴿بِأَن رَبك أوحى لَهَا﴾ أَيْ: أَمَرَهَا - فِي تَفْسِيرِ مُجَاهِدٍ - أَنْ تُلْقِيَ مَا فِي بَطْنِهَا.
