3680  kacah  kaw-saw'

 a primitive root; properly, 
to plump, i.e. fill up 
hollows; by implication, to 
cover (for clothing or 
secrecy):--clad self, close, 
clothe, conceal, cover 
(self), (flee to) hide, 
overwhelm. Compare 3780.

 see HEBREW for 03780