Dasim (داسم) is a demon who is one of the five sons of Iblis, mentioned in tafsir.https://www.altafsir.com/Tafasir.asp?tMadhNo=7&tTafsirNo=52&tSoraNo=18&tAyahNo=50&tDisplay=yes&Page=4&Size=1&LanguageId=1 (attributed to Muslim ibn al-Hajjaj)Peter J. Awn Satan's Tragedy and Redemption: Iblis in Sufi Psychology BRILL 1983 p. 58 He is a devil and linked to the cause of hatred between man and wife.Patrick Hughes, Thomas Patrick Hughes Dictionary of Islam Asian Educational Services 1995 page 135 His four brothers are named: Awar (اعور or لأعوار), Zalambur (زلنبور), Sut (مسوط), and Tir (ثبر). Each of them is linked to another psychological function, which they try to encourage to prevent humans spiritual development.Peter J. Awn Satan's Tragedy and Redemption: Iblis in Sufi Psychology BRILL 1983 p.58
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