Sunan an-Nasa'i #46 · The Book of Purification

Sunan an-Nasa'iIt was narrated that 'Aishah said
Sunan an-Nasa'i · Book 1 · The Book of Purification
Sunan an-Nasa'i · كتاب 1 · كتاب الطهارة
"Tell your husbands to clean themselves with water, for I am too shy to tell them myself. The Messenger of Allah (ﷺ) used to do that
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ قَتَادَةَ، عَنْ مُعَاذَةَ، عَنْ عَائِشَةَ، أَنَّهَا قَالَتْ مُرْنَ أَزْوَاجَكُنَّ أَنْ يَسْتَطِيبُوا بِالْمَاءِ فَإِنِّي أَسْتَحْيِيهِمْ مِنْهُ إِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يَفْعَلُهُ ‏.‏
Reference : Sunan an-Nasa'i 46In-book reference : Book 1, Hadith 46