orris
/ˈɒrɪs/(亦作orris root)
noun
mass noun
1- a preparation of the fragrant rootstock of an iris, used in perfumery and formerly in medicine鸢尾根。
1.1
- The root is usually taken from Iris × germanica var. 'Florentina'.鸢尾根一般取自香根鸢尾。
词源
mid 16th cent.: apparently an unexplained alteration of IRIS.