(64) باب تَقْلِيمِ الأَظْفَارِ
Narrated Abu Huraira:
I heard the Prophet (ﷺ) saying. "Five practices are characteristics of the Fitra: circumcision, shaving the pubic hair, cutting the moustaches short, clipping the nails, and depilating the hair of the armpits."
Reference: Sahih al-Bukhari 5891
In-book reference: Book 77, Hadith 108
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 72, Hadith 779