"And mention the brother of 'Ad," meaning: Hud. He was their brother by lineage, not their brother in faith. "When he warned his people at the Al-Ahqaf," and they were their dwellings.

Muhammad said: Al-Ahqaf in the language, its singular is: hiqf, which is that which is elevated and elongated from the sand dunes. It has been said: that Al-Ahqaf here refers to a mountain in the Levant.

"And the warners have passed away before him and after him." This is the beginning of a new sentence, wherein Allah informs that the warners had already passed away before Hud, meaning: prior to him, "and after him," meaning: