סָפַן çâphan (H5603)

to hide by covering; specifically, to roof (passive participle as noun, a roof) or wainscot; figuratively, to reserve

1) to cover, cover in, wainscotted, covered with boards or panelling 1a) (Qal) 1a1) to cover in, panel 1a2) covered, panelled (participle)

a primitive root;