The heaven
shamayim (shaw-mah'-yim)
air, astrologer, heaven(-s).
for height
ruwm (room)
(literally) elevation or (figuratively) elation -- haughtiness, height, high.
and the earth
'erets (eh'-rets)
the earth (at large, or partitively a land) -- common, country, earth, field, ground, land, natins, way, + wilderness, world.
for depth
`omeq (o'-mek)
depth -- depth.
and the heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
of kings
melek (meh'-lek)
a king -- king, royal.
is unsearchable
cheqer (khay'-ker)
examination, enumeration, deliberation -- finding out, number, (un-)search(-able, -ed, out, -ing).
