Hadadrimmon (Hebrew #1910)

Zechariah
12:11   In that day
yowm (Hebrew #3117)
a day (as the warm hours), whether literal (from sunrise to sunset, or from one sunset to the next), or figurative (a space of time defined by an associated term), (often used adverb)
KJV usage: age, + always, + chronicals, continually(-ance), daily, ((birth-), each, to) day, (now a, two) days (agone), + elder, X end, + evening, + (for) ever(-lasting, -more), X full, life, as (so) long as (... live), (even) now, + old, + outlived, + perpetually, presently, + remaineth, X required, season, X since, space, then, (process of) time, + as at other times, + in trouble, weather, (as) when, (a, the, within a) while (that), X whole (+ age), (full) year(-ly), + younger.
Pronounce: yome
Origin: from an unused root meaning to be hot
shall there be a great
gadal (Hebrew #1431)
properly, to twist (compare 1434), i.e. to be (causatively make) large (in various senses, as in body, mind, estate or honor, also in pride)
KJV usage: advance, boast, bring up, exceed, excellent, be(-come, do, give, make, wax), great(-er, come to...estate, + things), grow(up),increase, lift up, magnify(-ifical), be much set by, nourish (up), pass, promote, proudly (spoken), tower.
Pronounce: gaw-dal'
Origin: a primitive root
mourning
micepd (Hebrew #4553)
a lamentation
KJV usage: lamentation, one mourneth, mourning, wailing.
Pronounce: mis-pade'
Origin: from 5594
in Jerusalem
Yruwshalaim (Hebrew #3389)
a dual (in allusion to its two main hills (the true pointing, at least of the former reading, seems to be that of 3390)); probably from (the passive participle of) 3384 and 7999; founded peaceful; Jerushalaim or Jerushalem, the capital city of Palestine
KJV usage: Jerusalem.
Pronounce: yer-oo-shaw-lah'-im
Origin: rarely Yruwshalayim {yer-oo- shaw-lah'-yim}
, as the mourning
micepd (Hebrew #4553)
a lamentation
KJV usage: lamentation, one mourneth, mourning, wailing.
Pronounce: mis-pade'
Origin: from 5594
of Hadadrimmon
Hadadrimmown (Hebrew #1910)
Hadad-Rimmon, a place in Palestine
KJV usage: Hadad-rimmon.
Pronounce: had-ad-rim-mone'
Origin: from 1908 and 7417
in the valley
biq`ah (Hebrew #1237)
properly, a split, i.e. a wide level valley between mountains
KJV usage: plain, valley.
Pronounce: bik-aw'
Origin: from 1234
of Megiddon
Mgiddown (Hebrew #4023)
from 1413; rendezvous; Megiddon or Megiddo, a place in Palestine
KJV usage: Megiddo, Megiddon.
Pronounce: meg-id-done'
Origin: (Zech. 12 or Mgiddow {meg-id-do'}
.