קדר
qâdar
kaw-dar'
A primitive root; to be ashy , that is, dark colored; by implication to mourn (in sackcloth or sordid garments): - be black (-ish), be (make) dark (-en), X heavily, (cause to) mourn.
LXX related word(s)
G622 ap ollumi
G640 aporia
G4656 skotoo
G3996 pentheo