ز ب دz-b-d
(ض) زَبَدَ يَزْبِدُ زَبْدًاzabada yazbidu zabdan: to churn butter from milk; (of water) to foam.
زَبَدٌzabad (noun, ism dhāt): the foam of water, the dross of metals. ﴿فَاحْتَمَلَ السَّيْلُ زَبَدًا رَّابِيًا﴾; ﴿فَاَمَّا الزَّبَدُ فَيَذْهَبُ جُفَآءً﴾ (Ar-Raʿd 13:17)