vetiver
/ˈvetɪvə(r)/(亦作vetivert)
noun
mass noun
1- a fragrant extract or essential oil obtained from the root of an Indian grass, used in perfumery and aromatherapy岩兰草油。
1.1
- The grass is Vetiveria zizanioides, family Gramineae.该草为香根草, 禾本科。
词源
mid 19th cent.: from French vétiver, from Tamil vettivēr, from vēr 'root'.