A false and damaging accusation; slander or defamation (archaic or legal term).
From Latin 'calumnia' meaning 'false accusation' or 'malicious deception,' related to 'calumniari' (to deceive). This Latin root spread throughout Romance languages and entered English legal terminology.
In Roman law, 'calumnia' was so serious that false accusers faced harsh penalties—the legal system actually tried to punish people who misused the courts, an idea modern justice systems borrowed.
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