ق ص صq-ṣ-ṣ
(ن) قَصَّ يَقُصُّ قَصًّا وَقَصَصًاqaṣṣa yaquṣṣu qaṣṣan wa-qaṣaṣan (original form: قَصَصَ يَقْصُصُqaṣaṣa yaqṣuṣu): (1) to cut with scissors (2) to follow in someone's footsteps, to track (3) to relate an event in order, to narrate. ﴿نَحْنُ نَقُصُّ عَلَيْكَ اَحْسَنَ الْقَصَصِ﴾ (Yūsuf 12:3); ﴿وَقَالَتْ لِاُخْتِهِۦ قُصِّيْهِ﴾ (Al-Qaṣaṣ 28:11); ﴿فَارْتَدَّا عَلٰٓى اٰثَارِهِمَا قَصَصًا﴾ (Al-Kahf 18:64)
قِصَاصٌqiṣāṣ (verbal noun (maṣdar) of the form mufāʿalah): equal retaliation, i.e. a punishment following in the footsteps of the crime and matching it. ﴿وَالْجُرُوْحَ قِصَاصٌ﴾ (Al-Māʾidah 5:45)