فَجَعَلْنَٰهُمْ سَلَفًا وَمَثَلًا لِّلْـَٔاخِرِينَ
So We made them a preceding group and a parable for those who came later.
Roots in this verse: ج ع ل (jEl), س ل ف (slf), م ث ل (mvl), ا خ ر (Axr)