___ de Luna ("The Smell of the Moon" fragrance) (3)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
eau
(Other definitions for eau that I've seen before include "Popular toilet water - . . . de Cologne" , "Water in France" , "-- de vie" , "Quick to notice things" , "French water from chateaux" .)