Verse 15of 29

The Explanation of the Words Al-Khunnas and Al-KunnasMuslim recorded in his Sahih, and An-Nasa'i in his Book of Tafsir, in explaining this Ayah, from `Amr bin Hurayth that he said, "I prayed the Morning prayer behind the Prophet , and I heard him reciting,فَلاَ أُقْسِمُ بِالْخُنَّسِ - الْجَوَارِ الْكُنَّسِ - وَالَّيْلِ إِذَا عَسْعَسَ - وَالصُّبْحِ إِذَا تَنَفَّسَ(But nay! I swear by Al-Khunnas, Al-Jawar Al-Kunnas, and by the night when it `As`as, and by the day when it Tanaffas.

Source: Tafsir Ibn Kathir — abridged excerpt