Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai:1596 – Isḥāq b. Mūsá > al-Walīd b. Muslim > al-Awzāʿī > al-Zuhrī > Saʿīd b. al-Musayyab > Abū Hurayrah > Dakhal

"Umar came in when the Ethiopians were playing in the masjid. Umar, may Allah (SWT) be pleased with him, rebuked them, but the Messenger of Allah ﷺ said: 'Let them be there, O Umar, for they are Banu Arfidah.'"  

النسائي:١٥٩٦ – أَخْبَرَنَا إِسْحَاقُ بْنُ مُوسَى قَالَ حَدَّثَنَا الْوَلِيدُ بْنُ مُسْلِمٍ قَالَ حَدَّثَنَا الأَوْزَاعِيُّ قَالَ حَدَّثَنِي الزُّهْرِيُّ عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ عَنْ أَبِي هُرَيْرَةَ قَالَ

دَخَلَ عُمَرُ وَالْحَبَشَةُ يَلْعَبُونَ فِي الْمَسْجِدِ فَزَجَرَهُمْ عُمَرُ ؓ فَقَالَ رَسُولُ اللَّهِ ﷺ دَعْهُمْ يَا عُمَرُ فَإِنَّمَا هُمْ بَنُو أَرْفِدَةَ  

See similar narrations below:

Collected by Aḥmad, Ibn Ḥibbān
ahmad:10967 – Muḥammad b. Muṣʿab > al-Awzāʿī > al-Zuhrī > Saʿīd > Abū Hurayrah

"Umar came in when the Ethiopians were playing in the masjid. Umar, may Allah (SWT) be pleased with him, rebuked them, but the Messenger of Allah ﷺ said: 'Let them be there, O Umar, for they are Banu Arfidah.'" (Using translation from Nasāʾī 1596)   

أحمد:١٠٩٦٧ – حَدَّثَنَا مُحَمَّدُ بْنُ مُصْعَبٍ حَدَّثَنَا الْأَوْزَاعِيُّ عَنِ الزُّهْرِيِّ عَنْ سَعِيدٍ عَنْ أَبِي هُرَيْرَةَ قَالَ

دَخَلَ رَسُولُ اللهِ ﷺ الْمَسْجِدَ وَالْحَبَشَةُ يَلْعَبُونَ فَزَجَرَهُمْ عُمَرُ فَقَالَ النَّبِيُّ ﷺ دَعْهُمْ يَا عُمَرُ فَإِنَّهُمْ بَنُو أَرْفِدَةَ  

ibnhibban:5876c – al-Zuhrī > Saʿīd b. al-Musayyib > Abū Hurayrah

"Umar came in when the Ethiopians were playing in the masjid. Umar, may Allah (SWT) be pleased with him, rebuked them, but the Messenger of Allah ﷺ said: 'Let them be there, O Umar, for they are Banu Arfidah.'" (Using translation from Nasāʾī 1596)  

ابن حبّان:٥٨٧٦c – قَالَ الزُّهْرِيُّ وَأَخْبَرَنِي سَعِيدُ بْنُ الْمُسَيِّبِ أَنَّ أَبَا هُرَيْرَةَ قَالَ

دَخَلَ عُمَرُ وَالْحَبَشَةُ يَلْعَبُونَ فِي الْمَسْجِدِ فَزَجَرَهُمْ عُمَرُ فَقَالَ رَسُولُ اللَّهِ ﷺ «دَعْهُمْ يَا عُمَرُ فَإِنَّهُمْ هُمْ بَنُو أَرْفِدَةَ»