| Answer | Crossword Clue |
|---|---|
| AEON | Many a millennium |
| AEON | Period like a millennium |
| CEN | Div. of a millennium |
| ONEAD | Start of a millennium |
| CENTURY | Tenth of a millennium |
| EON | Relative of a millennium. |
| AEON | More than a millennium |
| CEN | Part of a millennium (abbr.) |
| CENTURY | One-tenth of a millennium. |
| MIV | More than a millennium ago |
| CEN | One-tenth of a millennium (abbr.) |
| ETON | School that's more than half a millennium old |
