Related Clues:

• Letter three after zeta
• I stand up to a Greek character
• Greek character cheers after score is halved
• Greek character is out tracing Athenian origins
• Touch of humour around hospital
• Tiny amount of holiday in spring
• Merest bit
• Single on the album opens with Greek letter
• Jot, particle
• Very small thing
• Bitty bit
• Greek letter or tiny quantity
• Covers up Caravaggio tarnishing a little bit
• Nothing in it -- a smidgen
• Tiniest particle