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darimi:1169 – Muḥammad b. al-Ṣalt > Ibn al-Mubārak > Maʿmar > Qatādah Qul > Adhá al-Bqrh 222

[Machine] About Qatada, he said about the verse "Say: It is a harm" [Al-Baqarah 222], "It means it is impure."  

الدارمي:١١٦٩ – أَخْبَرَنَا مُحَمَّدُ بْنُ الصَّلْتِ حَدَّثَنَا ابْنُ الْمُبَارَكِ عَنْ مَعْمَرٍ

عَنْ قَتَادَةَ {قُلْ هُوَ أَذًى} [البقرة 222] قَالَ «قَذَرٌ»