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Feb·ru·ar·y (fĕbr-ĕrē, fĕby-)
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n. pl. Feb·ru·ar·ies
The second month of the year in the Gregorian calendar. See Table at calendar.

[Middle English Februarie, from Latin Februārius (mēnsis), (month) of purification, from februa, expiatory offerings, possibly of Sabine origin.]

Usage Note: The preferred pronunciation among usage writers is (fĕbr-ĕrē), but in actual usage the pronunciation (fĕby-ĕrē) is far more common and so cannot be considered incorrect. The loss of the first r in this pronunciation can be accounted for by the phonological process known as dissimilation, whereby one of two similar or identical sounds in a word is changed or dropped so that a repetition of that sound is avoided. In the case of February, the loss of the first r was also helped along by the influence of January, which has only one r.

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.