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wit 1 (wĭt)
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n.
1.
a. The natural ability to perceive and understand; intelligence.
b. often wits Practical intelligence; shrewdness or resourcefulness: living by one's wits.
c. wits Sound mental faculties; sanity: scared out of my wits.
d. Archaic A person of exceptional intelligence.
2.
a. The ability to express oneself intelligently in a playful or humorous manner, often in overturning audience expectations: a writer with a scintillating wit.
b. A person noted for this ability, especially in conversation: “My mother, the family wit and teaser, knew better than to joke about the disaster” (Donald Hall).
c. Intelligent playfulness or humor in expression, as in speech, writing, or art: novels known for their wit and inventiveness.
Idioms:
at (one's) wits' end
At the limit of one's mental resources; utterly at a loss.
have (or keep)(one's) wits about (one)
To remain alert or calm, especially in a crisis.
[Middle English, from Old English; see weid- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 
wit 2 (wĭt)
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v. wist (wĭst), wit·ting (wĭtĭng), first and third person singular present tense wot (wŏt)
Archaic
v.tr.
To be or become aware of; learn.
v.intr.
To know.
Idiom:
to wit
That is to say; namely.
[Middle English, from Old English witan; see weid- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 

Indo-European & Semitic Roots Appendices

    Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

    Indo-European Roots

    Semitic Roots

    The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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