[ 'ɒrɪs ]
(also ~ root )
■ noun a preparation of the fragrant rootstock of an iris, used in perfumery and formerly in medicine.
Origin
C16: appar. an unexplained alt. of iris .
ORRIS
Meaning of ORRIS in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004