A dark bluish or reddish discoloration of the skin, especially from bruising or from blood pooling after death; extreme anger or rage.
From Latin 'lividus' (black and blue, bruised), related to 'livere' (to be livid, to be envious). The color meaning came first; the anger meaning evolved because fury shows as bruising in the face.
Forensic pathologists use 'livor mortis' (lividity of death) to determine when someone died—blood pools downward in a corpse, creating purple marks that tell time like a biological clock!
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