م س دm-s-d
(ن) مَسَدَ يَمْسُدُ مَسْدًاmasada yamsudu masdan: to twist a rope tightly and make it strong.
مَسَدmasad: a tough rope twisted from palm bark or fibre — and from this the surah takes its name. Only once in the Quran, as the last word of the surah: ﴿فِيْ جِيْدِهَا حَبْلٌ مِّنْ مَّسَدٍ﴾ (Al-Masad 111:5).