In an expanded manner; in a way that is spread out, enlarged, or made more extensive.
From 'expanded' (past participle of expand used as adjective) + '-ly' (adverb-forming suffix). Adverbial form describing how something happens in an expanded way.
While grammatically correct, 'expandedly' is rarely used in modern English—we prefer phrases like 'in an expanded way' because adverbs from past participles sound awkward.
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