Possible Clues:

• One of the glossies?
• Essential oil and resin taken from Canarium luzonicum
• Varnish ingredient from diesel emissions
• Fragrant resin from trees of the Burseraceae family
• Sweetheart in wood, one obtaining fragrant resin
• Fragrant resin laurel emits internally
• Resin extract largely employed making ink initially
• Resin of tropical trees
• Earth and lime mixture providing resin
• Resinous substance the Spanish give out endlessly