Asa Dulcis (i.e. Sweet Asa), a synonym of Benzoin (q.v.). This name was applied to the gum-resin when it began to be imported into Europe in the early part of the 16th century.
Asa Dulcis
Chambers's Encyclopaedia, Volume 1: A to Beaufort, p. 473
Source scan(s): p. 0492