| Answer | Crossword Clue |
|---|---|
| WATER | An element, to the ancients |
| FLUORIDATES | Adds an element to drinking water. |
| OMEN | Eclipse, to the ancients |
| OMENS | Eclipses, to the ancients |
| OMEN | Eclipse, maybe, to the ancients |
| ELEMENTS | Fire and water, to the ancients |
| FLAT | Like the world, to the ancients |
| AARE | River known to the ancients as Obringa |
| ARTA | Greek city known to the ancients as Ambracia |
| THULE | Northernmost part of the globe to the ancients |
