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know from

phrase

: to have knowledge of
… didn't know from sibling rivalry …—Penny Marshall

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know for a fact
know from
know-how
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“Know from.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20from. Accessed 15 Dec. 2025.

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Last Updated: - Definition revised
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