The quality or state of being stained or marked with blood; the condition of being bloodstained.
Derived from bloodstained (blood plus stained) plus the abstract noun suffix -ness (from Old English -nes), creating a noun describing the quality of having blood stains.
Lady Macbeth's obsession with 'bloodstainedness' in Shakespeare shows how this abstract noun became psychologically charged—the stains represent guilt that cannot be washed away, a physical mark of moral corruption.
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