س د رs-d-r
— سِدْرٌsidr (generic noun (ism jins), singular سِدْرَةٌsidrah): the lote tree; «سِدْرَةُ الْمُنْتَهٰىsidratu al-muntahā», the lote tree beyond which no one has access. The lexicographers say that among the Arabs the sidr was counted a shady and blessed tree. ﴿عِنْدَ سِدْرَةِ الْمُنْتَهٰى﴾ (An-Najm 53:14); ﴿اِذْ يَغْشَي السِّدْرَةَ مَا يَغْشٰى﴾ (An-Najm 53:16); ﴿فِيْ سِدْرٍ مَّخْضُوْدٍ﴾ (Al-Wāqiʿah 56:28); ﴿وَشَيْءٍ مِّنْ سِدْرٍ قَلِيْلٍ﴾ (Sabaʾ 34:16)This root occurs 4 times in the Quran.