Related Clues:

• Undercoat
• Attesting official
• Wax, perhaps
• Protective coat
• Driveway application
• Paint basecoat
• Waterproofing application
• Varnish basecoat
• Paint base coat
• Paint holder
• Varnish coat
• Painter's undercoat
• Driveway coating
• Glidden purchase
• As a fur trader one is no more than a stopgap