Arabic (Original)
حَدَّثَنَا أَبُو نُعَيْمٍ حَدَّثَنَا هِشَامٌ عَنْ قَتَادَةَ عَنِ الْحَسَنِ عَنْ أَبِي رَافِعٍ عَنْ أَبِي هُرَيْرَةَ عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ إِذَا جَلَسَ بَيْنَ شُعَبِهَا الْأَرْبَعِ ثُمَّ جَهَدَ فَقَدْ وَجَبَ الْغُسْلُ.
English Translation
Abu Nu'aym narrated to us, Hisham narrated to us, from Qatadah, from al-Hasan, from Abu Rafi', from Abu Hurayrah, from the Prophet (peace be upon him) who said: "When he sits between her four limbs and then exerts himself, bathing (ghusl) becomes obligatory."