فضرب كل واحد منهم صاحبه بقتارة، وقد ذكرنا صفتها، فمات اثنان منهم، ولم يمت ملك الحكماء
Each one of them struck the other with a qattara (we have already described p.  the nature of this instrument), and two of them died but the ‘king of the physicians’ survived