Discover the meaning of the word Kthb (كثب) in the Quran, with 1 verse in which it appears, and a detailed explanation from Al-Raghib al-Asfahani's Mufradat fi gharib al-Qur'an.
كثب
Kthb
Root: ك - ث - ب
Creed (aqida) 1 verse
Updated on 29 May 2026 at 7:00 AM
📖 1 min read
Definition of Kthb
Al-Kathīb refers to the sand dune.
Its plural is kuthub and kuthbān.
The Almighty says: 'And the mountains will be like heaps of sand poured out' (Al-Muzzammil 14).