In their streets
chuwts  (khoots)
abroad, field, forth, highway, more, out(-side, -ward), street, without.
they shall gird
chagar  (khaw-gar')
to gird on (as a belt, armor, etc.) -- be able to put on, be afraid, appointed, gird, restrain, on every side.
themselves with sackcloth
saq  (sak)
a mesh (as allowing a liquid to run through), i.e. coarse loose cloth or sacking (used in mourning and for bagging); hence, a bag (for grain, etc.) -- sack(-cloth, -clothes).
on the tops
gag  (gawg)
a roof; by analogy, the top of an altar -- roof (of the house), (house) top (of the house).
of their houses and in their streets
rchob  (rekh-obe')
a width, i.e. (concretely) avenue or area -- broad place (way), street.
every one shall howl
yalal  (yaw-lal')
to howl (with a wailing tone) or yell (with a boisterous one) -- (make to) howl, be howling.
Bkiy  (bek-ee')
a weeping; by analogy, a dripping -- overflowing, sore, (continual) weeping, wept.
yarad  (yaw-rad')
to descend; causatively, to bring down (in all the above applications)