Lewis Short
ŏpŏbalsămum (noun N) = ὀποβάλσαμον:
* The juice of the balsam-tree, opobalsam, balsam, balm, Stat. S. 3, 2, 141; Just. 36, 3, 4; Plin. 37, 13, 78, § 204.—Used for embalming bodies, Inscr. Grut. 692, 10.
* Hence, in gen., perfume: hirsuto spirant opobalsama collo Quae tibi,Juv. 2, 41.
Charlton T. Lewis, Charles Short, A Latin Dictionary