sachetyoudaoicibaDictYouDict[sachet 词源字典]
sachet: [19] A sachet is etymologically a ‘little sack’. The word was borrowed from French sachet, a diminutive form of sac ‘bag’, which came from the same Latin source that produced English sack. Sac itself was acquired by English as a biological term in the 18th century.
=> sack[sachet etymology, sachet origin, 英语词源]
sachet (n.)youdaoicibaDictYouDict
"small perfumed bag," 1838, from French sachet (12c.), diminutive of sac (see sac). A reborrowing of a word that had been used 15c. in the sense "small bag, wallet."