aroma (n.)youdaoicibaDictYouDict[aroma 词源字典]
early 13c., "fragrant substance," from Latin aroma "sweet odor," from Greek aroma "seasoning, any spice or sweet herb," which is of unknown origin. Meaning "fragrance" is from 1814. A hypercorrect plural is aromata.[aroma etymology, aroma origin, 英语词源]