(ن) مَدَّ يَمُدُّ مَدًّاmadda yamuddu maddan (original form: مَدَدَ يَمْدُدُmadada yamdudu): (1) to stretch out, to extend (2) to give rein and respite (3) to supply (with something), to increase. ﴿وَهُوَ الَّذِيْ مَدَّ الْاَرْضَ﴾ (Ar-Raʿd 13:3); ﴿وَيَمُدُّهُمْ فِيْ طُغْيَانِهِمْ يَعْمَهُوْنَ﴾ (Al-Baqarah 2:15); ﴿وَلَا تَمُدَّنَّ عَيْنَيْكَ﴾ (Ṭā Hā 20:131)
مَدَدٌmadad (noun, ism dhāt): reinforcement, increase. ﴿وَلَوْ جِئْنَا بِمِثْلِهِۦ مَدَدًا﴾ (Al-Kahf 18:109)
مُدَّةٌmuddah (noun, ism dhāt): an appointed period, term. ﴿فَاَتِمُّوْٓا اِلَيْهِمْ عَهْدَهُمْ اِلٰى مُدَّتِهِمْ﴾ (At-Tawbah 9:4)
مِدَادٌmidād (noun, ism dhāt): ink. ﴿قُلْ لَّوْ كَانَ الْبَحْرُ مِدَادًا لِّكَلِمٰتِ رَبِّيْ﴾ (Al-Kahf 18:109)
مَمْدُوْدٌmamdūd (passive participle, ism mafʿūl): stretched out, extended. ﴿وَّظِلٍّ مَّمْدُوْدٍ﴾ (Al-Wāqiʿah 56:30)
Form IV (ifʿāl) اَمَدَّ يُمِدُّ اِمْدَادًاamadda yumiddu imdādan: to supply, to reinforce (generally with something desirable); مُمِدٌّmumidd (active participle, ism fāʿil): one who supplies help. ﴿وَّيُمْدِدْكُمْ بِاَمْوَالٍ وَّبَنِيْنَ﴾ (Nūḥ 71:12); ﴿اَنِّيْ مُمِدُّكُمْ بِاَلْفٍ مِّنَ الْمَلٰٓئِكَةِ﴾ (Al-Anfāl 8:9)
Form II (tafʿīl) مَدَّدَ يُمَدِّدُ تَمْدِيْدًاmaddada yumaddidu tamdīdan: to extend at great length; مُمَدَّدٌmumaddad (passive participle, ism mafʿūl): lengthened. Only once in the Quran: ﴿فِيْ عَمَدٍ مُّمَدَّدَةٍ﴾ (Al-Humazah 104:9)