Good Manners and Form (Al-Adab)

Bukhari :: Book 8 :: Volume 73 :: Hadith 218

Narrated Abu Musa:

I got a son and I took him to the Prophet who named him Ibrahim, and put in his mouth the juice of a date fruit (which be himself had chewed?, and invoked for Allah's blessing upon him, and then gave him back to me. He was the eldest son of Abii Musa.