Sunan Abi Dawud 220
سنن أبي داود#220Sahihحَدَّثَنَا عَمْرُو بْنُ عَوْنٍ، حَدَّثَنَا حَفْصُ بْنُ غِيَاثٍ، عَنْ عَاصِمٍ الأَحْوَلِ، عَنْ أَبِي الْمُتَوَكِّلِ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِذَا أَتَى أَحَدُكُمْ أَهْلَهُ ثُمَّ بَدَا لَهُ أَنْ يُعَاوِدَ فَلْيَتَوَضَّأْ بَيْنَهُمَا وُضُوءًا " .
Abu sa’id al-Khudri reported :The Prophet (May peace be upon him) said : When any of you has intercourse with his wife and desire to repeat it, he should perform ablution between them
Scholarly Authentication
The label above is the grade most of these scholars gave — 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. Each scholar's own wording:
In-book reference: 1:220