كث

كَثْكَثٌ ذ and كِثْكِثٌ Crumbled particles of stone; and dust: (S, K:) like أَثْلَبٌ and اـِثْلِبٌ: (S:) or fine dust; and crumbled particles of stone: or dust in general. (TA.) One says بِفِيهِ الكثكثُ [ In his mouth are crumbled particles of stone, and dust: app. meaning he is dead and buried ]. (S.) [See also كثاث.].