a·plomb (ə-plŏm, ə-plŭm)
Self-confident assurance; poise: "It is native personality ... that endows a man to stand before presidents or generals ... with aplomb" (Walt Whitman).
[French, from Old French a plomb, perpendicularly : a, according to (from Latin ad-; see AD-) + plomb, lead weight (from Latin plumbum, lead).]
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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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