Related Clues:

• Twice removed from thrice
• Some time back
• Nearly never
• 'When I was young …'
• Tale starter
• In years past
• It isn't repeated
• '___ upon a time ...'
• Fairy-tale starter
• Achieved with a single try
• In days gone by
• "Just this __ ..."
• Ages ago
• It may be enough for some
• Not quite never