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pine  1 (pīn)
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n.
1. Any of various evergreen trees of the genus Pinus, having fascicles of needle-shaped leaves and producing woody seed-bearing cones. These trees are widely cultivated for ornament and shade and for their timber and resinous sap, which yields turpentine and pine tar.
2. Any of various other coniferous trees, such as the Norfolk Island pine.
3. The wood of any of these trees.

[Middle English, from Old English pīn, from Latin pīnus; see peiə- in the Appendix of Indo-European roots.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
pine  2 (pīn)
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v. pined, pin·ing, pines
v.intr.
1. To feel a lingering, often nostalgic desire.
2. To wither or waste away from longing or grief: pined away and died.
v.tr.
Archaic
To grieve or mourn for.
n.
Archaic
Intense longing or grief.

[Middle English pinen, from pine, suffering, from Old English pīne, punishment, torment, from Vulgar Latin *pēna, variant of Latin poena, penalty, from Greek poinē; see kwei-1 in the Appendix of Indo-European roots.]

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.