(117) باب فِي الصَّبِيِّ يُولَدُ فَيُؤَذَّنُ فِي أُذُنِهِ
Narrated Aisha, Ummul Mu'minin:
Boys used to be brought to the Messenger of Allah (ﷺ), and he would invoke blessings on them. Yusuf added: "and soften some dates and rub their palates with them". He did not mention "blessings".
Reference: Sunan Abi Dawud 5106
In-book reference: Book 43, Hadith 334
English translation: Book 42, Hadith 5087