"And lost from them is what they used to invent"—meaning: their idols were lost to them; so they did not avail them in anything.
﴿وَضَلَّ عَنْهُمْ مَا كَانُوا يَفْتَرُونَ﴾ ٦ يَعْنِي: أَوْثَانَهَمْ ضَلَّتْ عَنْهُمْ؛ فَلَمْ تغن عَنْهُم شَيْئا