tam·pi·on (tămpē-ən) also tom·pi·on (tŏm-)
A plug or cover for the muzzle of a cannon or gun to keep out dust and moisture.
[Middle English, from Old French tampon, variant of tapon, rag for stopping a hole, of Germanic origin.]
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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:
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