Past tense of 'are' in obsolete or dialectal usage, extremely rare or archaic.
Possibly a back-formation or error from Old or Middle English, unclear origin. Modern English does not use 'ared' as a standard past tense.
You almost never see 'ared' in modern English—it's so archaic that linguists debate whether it was ever actually standard usage or just a scribal error that got copied repeatedly!
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