Concerning the urine of an infant boy who is not yet eating solid food Sunan Ibn Majah 523
Arabic hadith text
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، وَعَلِيُّ بْنُ مُحَمَّدٍ، قَالاَ حَدَّثَنَا وَكِيعٌ، حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، قَالَتْأُتِيَ النَّبِيُّ ـ صلى الله عليه وسلم ـ بِصَبِيٍّ فَبَالَ عَلَيْهِ فَأَتْبَعَهُ الْمَاءَ وَلَمْ يَغْسِلْهُ .
Translation
It was narrated that 'Aishah said
"A baby boy was brought to the Prophet who then urinated on him. He sprinkled over it with water and did not wash it."