| Answer | Crossword Clue |
|---|---|
| DECADE | A certain period of years. |
| CHILIAD | Period of a thousand years. |
| TRICENTENARY | Relating to a period of 300 years |
| OCTAETERIC | Relating to a period of eight years. |
| DATED | Of a certain period. |
| HORAL | Of a certain time period |
| SIXWEEK | Like a certain period of burrowed time? |
