Past participle of abide; having remained, endured, or stayed in place (archaic or dialect form).
From Old English abidan (to wait, remain), with -en past participle ending common in older English and surviving in forms like 'ridden' and 'hidden.' A vestigial form from when English used -en more productively for past participles.
Abidden is fascinating because it shows a ghost of Old English grammar—modern English mostly abandoned the -en ending for past participles, keeping it only in common verbs like 'ridden' and 'hidden,' making abidden feel archaic even though it follows regular Germanic patterns.
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