Word by Word Analysis

إِن نَّشَأْ نُنَزِّلْ عَلَيْهِم مِّنَ ٱلسَّمَآءِ ءَايَةً فَظَلَّتْ أَعْنَـٰقُهُمْ لَهَا خَـٰضِعِينَ 4

If We willed, We could send down to them from the sky a sign for which their necks would remain humbled.