Related Clues:

• Language - buff
• Substance used to produce shine
• Rub - refinement
• Language (linked to spitting?)
• Gloss — refinement
• Rub — European
• European may be French
• European's elegance
• Buff up — foreign language
• Beeswax, for example
• Lodz language
• Make shiny
• Shoe shiner
• Refinement of manners
• Buff up