Al-Kāfi
Hadith 84عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنْ إِسْمَاعِيلَ بْنِ مَرَّارٍ عَنْ يُونُسَ عَنْ بَعْضِ أَصْحَابِهِ عَنْ أَبِي جَعْفَرٍ ( عليه السلام ) قَالَ قَالَ يُحَنَّكُ الْمَوْلُودُ بِمَاءِ الْفُرَاتِ وَ يُقَامُ فِي أُذُنِهِ .
3. Ali ibn Ibrahim has narrated from his father from ’Isma‘il ibn Marrar from Yunus from some of his companions, from Abu Ja‘far (a.s.), he said, ‘Drops of water from the Euphrates should be dropped in the newborn’s mouth, and Iqamah should be recited in his ear.’”