The state or quality of being forsworn; the condition of having renounced by oath or of having become apostate.
From 'forsworn' + '-ness' (abstract noun suffix). This creates an abstract noun describing the state or quality of apostasy or renunciation.
This wonderfully heavy word—piling prefix, past participle, and abstract suffix together—was used in religious texts to describe the shameful condition of those who abandoned their faith after binding oaths.
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