| Clue | Source | Date |
|---|---|---|
| What is the floating vegetation which obstructs navigation on the White Nile? (4) | ||
| Floating masses of reeds and weeds that occur on the White Nile and obstruct navigation | The Telegraph General Knowledge | 19 Apr 2021 |
| Nile growth | ||
| Floating vegetable matter on the White Nile. | ||
| Temporary dam, in Egypt. |