qela` (Hebrew #7050)
a sling; also a (door) screen (as if slung across), or the valve (of the door) itself
KJV usage: hanging, leaf, sling.
Pronounce: keh'-lah
'eben (Hebrew #68)
a stone
KJV usage: + carbuncle, + mason, + plummet, (chalk-, hail-, head-, sling-)stone(-ny), (divers) weight(-s).
Pronounce: eh'-ben
Origin: from the root of 1129 through the meaning to build