و ک دw-k-d
(ض) وَكَدَ يَكِدُ وُكُوْدًاwakada yakidu wukūdan (original form: وَكَدَ يَوْكِدُwakada yawkidu): to remain settled in a place; to persist (in a task). (this verb is not used in the Quran).
Form II (tafʿīl) وَكَّدَ يُوَكِّدُ تَوْكِيْدًاwakkada yuwakkidu tawkīdan: to make firm, to strengthen (a covenant or a knot). Only once in the Quran: ﴿وَلَا تَنْقُضُوا الْاَيْمَانَ بَعْدَ تَوْكِيْدِهَا﴾ (An-Naḥl 16:91)