Arabic Text
حَدَّثَنَا شَيْبَانُ بْنُ فَرُّوخَ، حَدَّثَنَا عَبْدُ الْوَارِثِ، عَنْ أَبِي التَّيَّاحِ، قَالَ حَدَّثَنِي أَبُو مِجْلَزٍ، عَنِ ابْنِ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ " .
English Translation
Ibn 'Umar reported Allah's Messenger (ﷺ) as saying: Witr is a rak'ah at the end of the prayer.
This hadith is from Sahih Muslim, one of the most rigorously authenticated collections in Islamic scholarship. No editorial opinion is added.