past tense of 'forswear'; to renounce or reject under oath; to forswear.
From Old English 'for-' (away, against) + 'swear' (to vow). 'Forwore' is the archaic past tense of 'forswear,' meaning to renounce.
This is the past tense of 'forswear' (to renounce solemnly), and it shows up in legal documents where someone swore they were done with something forever!
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