Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
to darken
Usage: 1) to be or become dark, grow dim, be darkened, be black, be hidden 1a) (Qal) 1a1) to be or grow dark 1a2) to have a dark colour 1a3) to grow dim 1b) (Hiphil) 1b1) to make dark, cause to be dark 1b2) to hide, conceal 1b3) to obscure, confuse (fig.)