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know from

phrase

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

Word History

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of know from was in 1933

Rhymes for know from

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Browse Nearby Words

know for a fact
know from
know-how
See all Nearby Words

Cite this Entry

“Know from.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know%20from. Accessed 24 Sep. 2026.

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Last Updated: - Definition revised
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