Clue: Long, long periods

Answer: EONS

Length: 4

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Similar Clues:

• Long periods (e.g. AEONS with 5 letters)
• Long time periods (AEONS with 5 letters)
• Extremely long time periods (EONS with 4 letters)
• Long waiting periods, seemingly (ETERNITIES with 10 letters)
• Long periods, geologically (EONS with 4 letters)
• Indefinitely long time periods (EONS with 4 letters)
• Very long periods of time (EONS with 4 letters)
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