(3) باب مَا جَاءَ فِي الاِسْتِئْذَانِ ثَلاَثَةً
Narrated Ibn 'Abbas:
that Uman bin Al-Khattab said: "I sought permission (to enter) from the Messenger of Allah (ﷺ) three times, then he permitted me." (RU)
Reference (RU): Jami` at-Tirmidhi 2691 (RU)
In-book reference (RU): Book 42, Hadith 4 (RU)
English translation (RU): Vol. 5, Book 40, Hadith 2691 (RU)