Related Clues:

• Endless years
• A lo-o-ong time
• Two or more eras
• All the time in the world
• It 'waits at the crossway of the stars,' wrote Borges
• Very long stretch
• Geologist's measure
• Time on end
• Many, many moons
• Unit of Time
• Millennia upon millennia
• Many centuries
• Millions of years
• Big time?
• Countless years