cloud (Hebrew #6053)

Job
3:5   Let darkness
choshek (Hebrew #2822)
the dark; hence (literally) darkness; figuratively, misery, destruction, death, ignorance, sorrow, wickedness
KJV usage: dark(-ness), night, obscurity.
Pronounce: kho-shek'
Origin: from 2821
and the shadow of death
tsalmaveth (Hebrew #6757)
shade of death, i.e. the grave (figuratively, calamity)
KJV usage: shadow of death.
Pronounce: tsal-maw'-veth
Origin: from 6738 and 4194
stain
ga'al (Hebrew #1350)
a primitive root, to redeem (according to the Oriental law of kinship), i.e. to be the next of kin (and as such to buy back a relative's property, marry his widow, etc.)
KJV usage: X in any wise, X at all, avenger, deliver, (do, perform the part of near, next) kinsfolk(-man), purchase, ransom, redeem(-er), revenger.
Pronounce: gaw-al'
it; let a cloud
`ananah (Hebrew #6053)
cloudiness
KJV usage: cloud.
Pronounce: an-aw-naw'
Origin: feminine of 6051
dwell
shakan (Hebrew #7931)
to reside or permanently stay (literally or figuratively)
KJV usage: abide, continue, (cause to, make to) dwell(-er), have habitation, inhabit, lay, place, (cause to) remain, rest, set (up).
Pronounce: shaw-kan'
Origin: a primitive root (apparently akin (by transmission) to 7901 through the idea of lodging; compare 5531, 7925)
upon it; let the blackness
kimriyr (Hebrew #3650)
obscuration (as if from shrinkage of light, i.e. an eclipse (only in plural)
KJV usage: blackness.
Pronounce: kim-reer'
Origin: redupl. from 3648
of the 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
terrify
ba`ath (Hebrew #1204)
to fear
KJV usage: affright, be (make) afraid, terrify, trouble.
Pronounce: baw-ath'
Origin: a primitive root
it.