´It was narrated from Nafi’ that Ibn ‘Umar said:` “The Messenger of Allah (ﷺ) forbade Qaza’.” He (Nafi’) said: “What is Qaza’?” He said: “It means shaving part of a child’s head and leaving another part.”
Hadith Referenceسنن ابن ماجه / كتاب اللباس / 3637
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:متفق عليه