Related Clues:

• Popular story starter
• Unrepeated
• Way back in time
• Between twice and never
• "Just this __"
• ''The Raven'' opening
• First word of many fairy tales
• ''Going ___, going ...''
• "Measure twice, cut ---"
• Start of many a story
• At a prior time
• In time past
• Without repeat
• Sooner
• In days past