Bulugh al-Maram, Book 1, Hadith 32 (In-Book) ⓘ
In the version of Muslim: “I used to scrape it (the semen) off the garment of Allah’s Messenger and then he offered prayer with it.
وَلِمُسْلِمٍ: { لَقَدْ كُنْتُ أَفْرُكُهُ مِنْ ثَوْبٍ رَسُولِ اَللَّهِ - صلى الله عليه وسلم -فَرْكًا, فَيُصَلِّي فِيهِ } (37). 2 - صحيح. رواه مسلم (288).
also referenced under: Book 1, Hadith 31 (English)