They shall go down
yarad (yaw-rad')
to descend; causatively, to bring down (in all the above applications)
to the bars
bad (bad)
separation; by implication, a part of the body, branch of a tree, bar for carrying; figuratively, chief of a city; especially (with prepositional prefix) as an adverb, apart, only, besides -- alone, apart, bar, besides, branch, by self, of each alike, except, only, part, staff, strength.
of the pit
sh'owl (sheh-ole')
Hades or the world of the dead (as if a subterranean retreat), including its accessories and inmates -- grave, hell, pit.
when our rest
Nachath (nakh'-ath)
lighting down, quiet(-ness), to rest, be set on.
together
yachad (yakh'-ad)
a unit, i.e. (adverb) unitedly -- alike, at all (once), both, likewise, only, (al-)together, withal.
is in the dust
`aphar (aw-fawr')
dust (as powdered or gray); hence, clay, earth, mud -- ashes, dust, earth, ground, morter, powder, rubbish.