Quran Dictionary - ق س م - The Quranic Arabic Corpus. The triliteral root qāf sīn mīm (ق س م) occurs 33 times in the Quran, in 10 derived forms: twice as the form I verb qasam (قَسَمْ) once as the form III verb qāsama (قَاسَمَ) 20 times as the form IV verb aqsamu (أَقْسَمُ) once …