And her gates
pethach  (peh'-thakh)
an opening (literally), i.e. door (gate) or entrance way -- door, entering (in), entrance (-ry), gate, opening, place.
shall lament
'anah  (aw-naw')
to groan -- lament, mourn.
and mourn
'abal  (aw-bal')
to bewail -- lament, mourn.
and she being desolate
naqah  (naw-kaw')
to be (or make) clean; by implication (in an adverse sense) to be bare, i.e. extirpated
shall sit
yashab  (yaw-shab')
to sit down (specifically as judge. in ambush, in quiet); by implication, to dwell, to remain; causatively, to settle, to marry
upon the ground
'erets  (eh'-rets)
the earth (at large, or partitively a land) -- common, country, earth, field, ground, land, natins, way, + wilderness, world.