H4285
מַחְשָׁךְ
darkness
1) darkness, dark place, secrecy 1a) hiding-place 1b) dark region 1c) grave Aramaic equivalent: cha.shokh (חֲשׁוֹךְ "darkness" H2816)
Full Brown-Driver-Briggs lexicon entry
מַחְשַׁךְ noun masculine dark place (poetry) — absolute ׳מ Isa 29:15; Isa 42:16 מַחְשָׁ֑ךְ Ps 88:19 plural מַחֲשַׁכִּים Ps 88:7; Ps 143:3 = Lam 3:6 construct מַחֲשַׁכֵּי Ps 74:20 — dark place:
a. = hiding-place אֿרץ׳מח Ps 74:20.
b. dark region, in which men may lose their way Isa 42:16.
c. = grave, or שׁאול Ps 88:19 (see Che); of dark place of God's wrath (like She' ô l) Ps 88:7 compare Ps 143:3 = Lam 3:6.
d. = secret place, secrecy (of plots) Isa 29:15.
4 occurrences
Psalms (1), Isaiah (2), Lamentations (1)