Related Clues:

• Lotsa time
• Collars for preppies?
• Oodles of time
• Incredibly long time
• Extremely long time
• Long periods
• Some stiff collars
• A looooong time
• Stretches of history
• Waist-length jackets
• Almost eternity
• Millennia on end
• Geologic divisions
• Major time periods
• Loooong time