She used to wash the semen from the garment of the Prophet ﷺ.
حدثنا يحيى بن زكريا أخبرنا عمرو بن ميمون بن مهران عن سليمان بن يسار
أنها كانت تغسل المني من ثوب النبي ﷺ
No references are available.
Its isnad is sahih. Amr bin Maymun bin Mihran is al-Jazari, and he is trustworthy, his hadith is found in the collections of the group (al-Jamaah). The hadith was mentioned previously at 24978.