حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ النُّفَيْلِيُّ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ عَمْرِو بْنِ خُزَيْمَةَ، عَنْ عُمَارَةَ بْنِ خُزَيْمَةَ، عَنْ خُزَيْمَةَ بْنِ ثَابِتٍ، قَالَ سُئِلَ رَسُولُ اللَّهِ صلى الله عليه وسلم عَنْ الاِسْتِطَابَةِ فَقَالَ ‏"‏بِثَلاَثَةِ أَحْجَارٍ لَيْسَ فِيهَا رَجِيعٌ ‏"‏ ‏.‏ قَالَ أَبُو دَاوُدَ كَذَا رَوَاهُ أَبُو أُسَامَةَ وَابْنُ نُمَيْرٍ عَنْ هِشَامٍ يَعْنِي ابْنَ عُرْوَةَ
Translation
Narrated Khuzaymah ibn Thabit

Abdullah bin Muhammad ar-Nufayli narrated to us, Abu Muawiyah narrated to us, from Hisham bin Urwah, from Amr bin Khuzaymah, from Umarah bin Khuzaymah, from Khuzaymah bin Thabit, who said: The Messenger of Allah (ﷺ) was asked about Istitabah (cleansing after relieving oneself), and he said: "With three stones, in which there is no dung."

Abu Dawud said: Abu Usamah and Ibn Numair narrated it similarly from Hisham, meaning Ibn Urwah.