She washed semen from the garment of the Messenger of Allah ﷺ.
حدثنا أحمد بن منيع قال حدثنا أبو معاوية عن عمرو بن ميمون بن مهران عن سليمان بن يسار
أنها غسلت منيا من ثوب رسول الله ﷺ
No references are available.
Agreed upon [by Bukhari and Muslim]. Bukhari narrated it in the Book of Wudu, chapter on washing off semen and scraping it off, and washing what touches one from a woman, hadith no. 229, and Muslim narrated it in the Book of Purification, chapter on the ruling on semen, hadith no. 289, from the hadith of Amr bin Maymun, through the same chain. On this subject there is also a narration from Ibn Abbas [Daraqutni 1/124, hadith no. 441, and Bayhaqi 2/418].