An obsolete or dialectal past participle form meaning grounded, founded, or established; no longer in standard use.
From Old English or Middle English 'ground' with the archaic past participle suffix -en, showing how English once formed past participles differently (like 'beaten,' 'chosen').
Words like 'grounden' show that English used to be much more consistent in forming past participles with -en endings before it simplified to -ed; studying these forms reveals the language's evolution.
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