Related Clues:

• See 12-Down
• See 42-Across
• Erode
• Deplete
• Chip away at
• Corrode
• Destroy gradually
• Deplete, as savings
• Deplete, as profits
• Erode gradually
• Take away from, as profits
• Part of drain
• Take away from
• Use a bit of what's essential to recreate a Tintoretto
• Take a bit to destroy something gradually