ac·com·pa·ni·ment (ə-kŭmpə-nē-mənt, ə-kŭmpnē-)
1. Music A vocal or instrumental part that supports another, often solo, part.
2. Something, such as a situation, that accompanies something else; a concomitant.
3. Something added for embellishment, completeness, or symmetry; complement.
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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.