The thin, flat muscle forming the wall of the cheek.
[Latin buccinātor, trumpeter (from its being the chief muscle used in blowing), from buccinātus, past participle of buccināre, to blow a horn, from būcina, buccina, horn, trumpet; see gwou- in the Appendix of Indo-European roots.]
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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:
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.