Sahih Muslim 2120
صحيح مسلم#2120Sahihحَدَّثَنِي زُهَيْرُ بْنُ حَرْبٍ، حَدَّثَنِي يَحْيَى، - يَعْنِي ابْنَ سَعِيدٍ - عَنْ عُبَيْدِ اللَّهِ، أَخْبَرَنِي عُمَرُ بْنُ نَافِعٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنِ الْقَزَعِ . قَالَ قُلْتُ لِنَافِعٍ وَمَا الْقَزَعُ قَالَ يُحْلَقُ بَعْضُ رَأْسِ الصَّبِيِّ وَيُتْرَكُ بَعْضٌ .
Ibn Umar reported that Allah's Messenger (ﷺ) forbade Qaza. I said to Nafi:What is Qaza'? He said: This means having a part of a boy's head shaved and leaving a part unshaven
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
Sahih Muslim 2120 is the standard (Abd al-Baqi) number; this narration is #5559 in the MuslimGPT index.
In-book reference: 37:169