ل م سl-m-s
(ن، ض) لَمَسَ يَلْمُسُ وَيَلْمِسُ لَمْسًاlamasa yalmusu wa-yalmisu lamsan: (1) to touch something (2) to seek by feeling about. ﴿فَلَمَسُوْهُ بِاَيْدِيْهِمْ﴾ (Al-Anʿām 6:7); ﴿وَّاَنَّا لَمَسْنَا السَّمَآءَ﴾ (Al-Jinn 72:8)
Form III (mufāʿalah) لَامَسَ يُلَامِسُ مُلَامَسَةًlāmasa yulāmisu mulāmasatan: to touch one another; metonymically to have sexual intercourse. ﴿اَوْ لٰمَسْتُمُ النِّسَآءَ﴾ (An-Nisāʾ 4:43)
Form VIII (iftiʿāl) اِلْتَمَسَ يَلْتَمِسُ اِلْتِمَاسًاiltamasa yaltamisu iltimāsan: to seek deliberately, to search for. Only once in the Quran: ﴿ارْجِعُوْا وَرَآءَكُمْ فَالْتَمِسُوْا نُوْرًا﴾ (Al-Ḥadīd 57:13)