Commentary explaining the meaning of the ayahs. One passage often covers several ayahs, so neighbouring ayahs can show the same text.
Tafsir Ibne Kathir tafsir for Surah Al-Muddaththir — Ayah 42
مَا سَلَكَكُمۡ فِي سَقَرَ ٤٢
﴾مَاسَلَكَكُمْفِيسَقَرَ * قَالُواْلَمْنَكُمِنَٱلْمُصَلِّينَ * وَلَمْنَكُنُطْعِمُٱلْمِسْكِينَ﴿ «‘‘Что завело вас в(адский слой) ас-Сакар?’’