Sunan Abi Dawud 377
سنن أبي داود#377Sahihحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنِ ابْنِ أَبِي عَرُوبَةَ، عَنْ قَتَادَةَ، عَنْ أَبِي حَرْبِ بْنِ أَبِي الأَسْوَدِ، عَنْ أَبِيهِ، عَنْ عَلِيٍّ، - رضى الله عنه - قَالَ يُغْسَلُ مِنْ بَوْلِ الْجَارِيَةِ وَيُنْضَحُ مِنْ بَوْلِ الْغُلاَمِ مَا لَمْ يَطْعَمْ .
Narrated Ali ibn AbuTalib: The urine of a female (child) should be washed and the urine of a male (child) should be sprinkled over until the age of eating
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih Muquf
Muhammad Muhyi Al-Din Abdul HamidSahih Muquf
Zubair Ali ZaiDaif
In-book reference: 1:377