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pun·cheon 1 (pŭnchən)
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n.
1. A short wooden upright used in structural framing.
2.
a. A piece of broad, heavy, roughly dressed timber with one face finished flat.
b. A walkway over wet ground made by laying planks or dressed timbers over sills set directly on the ground.
c. A short low bridge of similar construction. Also called puncheon bridge.
3. A punching, perforating, or stamping tool, especially one used by a goldsmith.

[Middle English punchoun, from Anglo-Norman ponchon, punching or piercing tool, piercing weapon, vertical strut, from Vulgar Latin *pūnctiō, pūnctiōn-, from *pūnctiāre, to pierce, from Latin pūnctus, past participle of pungere, to prick; see peuk- in the Appendix of Indo-European roots.]
(click for a larger image)
puncheon1
along the Twinway trail, a section of the Appalachian Trail, in the White Mountains of New Hampshire

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
pun·cheon 2 (pŭnchən)
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n.
1. A cask with a capacity of from 72 to 120 gallons (273 to 454 liters).
2. The amount of liquid contained in a puncheon.

[Middle English punchoun, from Anglo-Norman ponchon, punching tool, cask (probably because the casks were inspected and marked with a punch); see PUNCHEON1.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.