(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." (ID)
Reference (ID): Jami` at-Tirmidhi 2691 (ID)
In-book reference (ID): Book 42, Hadith 4 (ID)
English translation (ID): Vol. 5, Book 40, Hadith 2691 (ID)