Related Clues:

• That's enough to give one a start some time back
• Since that's a light green
• Long tail?
• Past word
• Earlier, gone by
• 'It was 20 years ___ today...'
• In a bygone time
• "It was 20 years ___ today..."
• "A long time ___ in a galaxy far, far away ..."
• Word with "many moons"
• Long ___ and far away ..
• "It was 20 years ___ today ..."
• Word before "in a galaxy far, far away"
• Over the dam
• Gone by for a try