a. A quality that can be perceived by the olfactory sense: a room with an unpleasant aroma. See Synonyms at smell.
b. A characteristic, usually pleasant odor, as of a plant, spice, or food: the aroma of roses. See Synonyms at fragrance.
2. A distinctive, intangible quality; an aura: the aroma of success.
[Alteration (influenced by Latin arōma, spice) of Middle English aromat, aromatic substance, from Old French, from Latin arōmata, pl. of arōma, from Greek, aromatic herb.]
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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.