The Saheeh International Quran Translation
فَطَوَّعَتْ لَهُۥ نَفْسُهُۥ قَتْلَ أَخِيهِ فَقَتَلَهُۥ فَأَصْبَحَ مِنَ ٱلْخَٰسِرِينَ
تجهيز للطباعة
And his soul permitted to him the murder of his brother, so he killed him and became among the losers.