Related Clues:

• Infesting critter
• 'Just a ___'
• Small amount of Greek?
• Minute portion
• Just a smidge
• Theta-kappa separator
• Tiny amount
• Tiny Greek letter?
• Small Greek letter
• The Greek letter i
• The Biblical widow's offering
• Greek letter of little value
• Tiny piece
• The smallest possible amount
• Ninthe letter of the Greek alphabet