Relating to or involving the killing of a god or divine being; having the nature of deicide.
From deicide (god-killing) + -al (adjective suffix). Deicide itself comes from Latin deus (god) + -cide (killing), so deicidal combines these roots to create an adjective form.
The word 'deicidal' appears in theology debates about Christ's crucifixion—medieval scholars argued about whether the charge was literally 'god-killing,' making this word a window into how language shapes religious controversy.
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