vetiver
Concise Oxford English Dictionary © 2008 Oxford University Press:
vetiver /ˈvɛtɪvə/ (also vetivert)
▶noun a fragrant extract or essential oil obtained from the root of an Indian grass (Vetiveria zizanioides), used in perfumery and aromatherapy.
– origin C19: from Fr. vétiver, from Tamil veṭṭivēr, from vēr ‘root’.
'vetiver' also found in these Oxford entries:

