In a diverse or different manner; with variety or difference.
From 'diverse' (adjective, from Latin 'diversus') + '-ly' (adverbial suffix). This archaic or rare adverb form follows standard English patterns for converting adjectives to adverbs.
This is essentially a dead word in modern English—'diversely' replaced it centuries ago—but it shows how English constantly sheds older adverbial forms in favor of newer, more standardized ones.
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