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Imam Abu Dawud : 764حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ النُّفَيْلِيُّ حَدَّثَنَا زُهَيْرٌ حَدَّثَنَا أَبُو إِسْحَقَ عَنْ التَّمِيمِيِّ الَّذِي يُحَدِّثُ بِالتَّفْسِيرِ عَنْ ابْنِ عَبَّاسٍ قَالَأَتَيْتُ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مِنْ خَلْفِهِ فَرَأَيْتُ بَيَاضَ إِبِطَيْهِ وَهُوَ مُجَخٍّ قَدْ فَرَّجَ بَيْنَ يَدَيْهِ
Narrated to us [Abdullah bin Muhammad An Nufaili], narrated to us [Zuhair], narrated to us [Abu Ishaq] from [At Taimi], who narrated with tafsir, from [Ibnu Abbas], he said: I approached the Prophet (peace be upon him) from behind and saw the whiteness of his armpits while he was prostrating, keeping his arms apart.
Hadith Corroboration :
Imam Ahmad : 1969, 2281, 2530, 2782, 2987, 3028, 3135, 3157, 3239, 3268, 13624, 15806, 15807, 15808, 18240, 21325, 21845, 21847, 25581, 25590, 25601, 25613
Imam Bukhari : 377, 765, 3300
Imam Muslim : 764, 765, 766, 767
Imam Abu Dawud : 761, 763, 764, 765
Imam Tirmidzi : 254
Imam Nasa'i : 1092, 1093, 1094, 1095, 1096, 1097, 1135
Imam Ibnu Majah : 870, 871, 876
Imam Darimi : 1296, 1297, 1298