Related Clues:

• Carve with acid
• Disappear slowly but surely
• Work on glass, say
• Chip away at, as confidence
• Cut, as glass
• Rub away
• Make a lasting impression
• Emulate a mouse or beaver
• Make a good impression?
• Wear away, as popularity
• Wash away
• Become worn down
• Work like Rembrandt, at times
• Shorelines do it
• Wear away, in a way