ميسر

From the root ي س ر‎ (y-s-r).

مَيْسِر • (maysir) m

1. (archaic because outlawed by Islam) a game of chance of drawing lots from arrows with typically seven participants for the shares in an allotted prize (usually a camel’s meat)
   • 609–632 CE, Qur'an, 2:219:

     ‏يَسْأَلُونَكَ عَنِ ٱلْخَمْرِ وَٱلْمَيْسِرِ ۖ قُلْ فِيهِمَا إِثْمٌ كَبِيرٌ وَمَنَافِعُ لِلنَّاسِ وَإِثْمُهُمَا أَكْبَرُ مِن نَفْعِهِمَا ۗ‎

     yasʾalūnaka ʿani l-ḵamri wal-maysiri qul fīhimā ʾiṯmun kabīrun wamanāfiʿu li-n-nāsi waʾiṯmuhumā ʾakbaru min nafʿihimā

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   • 609–632 CE, Qur'an, 5:90-91:

     ‏يَا أَيُّهَا ٱلَّذِينَ آمَنُوا إِنَّمَا ٱلْخَمْرُ وَٱلْمَيْسِرُ وَٱلْأَنْصَابُ وَٱلْأَزْلَامُ رِجْسٌ مِنْ عَمَلِ ٱلشَّيْطَانِ فَٱجْتَنِبُوهُ لَعَلَّكُمْ تُفْلِحُونَ ۝ إِنَّمَا يُرِيدُ ٱلشَّيْطَانُ أَن يُوقِعَ بَيْنَكُمُ ٱلْعَدَاوَةَ وَٱلْبَغْضَاءَ فِي ٱلْخَمْرِ وَٱلْمَيْسِرِ وَيَصُدَّكُمْ عَن ذِكْرِ ٱللَّهِ وَعَنِ ٱلصَّلَاةِ ۖ فَهَلْ أَنْتُم مُنْتَهُونَ‎

     yā ʾayyuhā llaḏīna ʾāmanū ʾinnamā l-ḵamru wal-maysiru wal-ʾanṣābu wal-ʾazlāmu rijsun min ʿamali š-šayṭāni fajtanibūhu laʿallakum tufliḥūna ۝ ʾinnamā yurīdu š-šayṭānu ʾan yūqiʿa baynakumu l-ʿadāwata wal-baḡḍāʾa fī l-ḵamri wal-maysiri wayaṣuddakum ʿan ḏikri llāhi waʿani ṣ-ṣalāti fahal ʾantum muntahūna

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2. (Islamic law and finance) gambling (because of generalizing the Qurʾān occurrences)