ش ر یsh-r-y
(ض) شَرٰى يَشْرِيْ شِرًي وَشِرَآءًsharā yashrī shirany wa-shirāʾan: to buy and to sell (it is one of the words of opposite senses, aḍdād: both to buy and to sell). ﴿وَشَرَوْهُ بِثَمَنٍۭ بَخْسٍ﴾ (Yūsuf 12:20); ﴿وَمِنَ النَّاسِ مَنْ يَّشْرِيْ نَفْسَهُ ابْتِغَآءَ مَرْضَاتِ اللّٰهِ﴾ (Al-Baqarah 2:207)
Form VIII (iftiʿāl) اِشْتَرٰى يَشْتَرِيْ اِشْتِرَآءًishtarā yashtarī ishtirāʾan: to buy and to sell; the wāw of «اِشْتَرَوُاishtarawuā» has been given a ḍammah to join it to what follows. ﴿اُولٰٓئِكَ الَّذِيْنَ اشْتَرَوُا الضَّلٰلَةَ بِالْهُدٰى﴾ (Al-Baqarah 2:16); ﴿اِنَّ اللّٰهَ اشْتَرٰى مِنَ الْمُؤْمِنِيْنَ اَنْفُسَهُمْ﴾ (At-Tawbah 9:111)