Related Clues:
- Proterozoic or Archeozoic, e.g.
- Period of many years
- Extremely long time
- Who-knows-how-long
- Long periods
- What some candles represent
- String of periods
- ... and another
- Sits in the cellar, maybe
- Loses freshness
- Very, very long time
- Waiting time at the motor vehicle bureau, seemingly
- ''Rock of ___''
- Innocence and Aquarius
- Word of a toy's package