benzoin (n.)

balsamic resin obtained from a tree (Styrax benzoin) of Indonesia, 1560s (earlier as bengewine, 1550s), from French benjoin (16c.), which comes via Spanish, Portuguese, or Italian from Arabic luban jawi "incense of Java" (actually Sumatra, but the Arabs confused the two), with lu probably mistaken in Romance languages for a definite article. The English form with -z- is perhaps from influence of Italian benzoi (Venetian, 1461).

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Definitions of benzoin from WordNet
benzoin (n.)
gum resin used especially in treating skin irritation;
Synonyms: gum benzoin / benjamin / gum benjamin / asa dulcis
Benzoin (n.)
used in some classifications for the American spicebush and certain other plants often included in the genus Lindera;
Synonyms: genus Benzoin