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acknow

transitive verb
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Definition of acknow

acknew; acknown; acknowing; acknows
obsolete
: to confess knowledge of

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Origin and Etymology of acknow

Middle English aknowen, going back to Old English oncnāwan, acnāwan “to know, recognize, admit, confess,” from a-, on-, prefixal use of on1on + cnāwan “to1know”

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