### Clue: Masseur's Perrier in franglais, by the sound of it (6)
### Answer: PHYSIO 
 ### Explanation: Definition: Masseur
 **Homophone of**(by the sound of it) "fizzy eau"( franglais for "fizzy water", what Perrier, the French brand-name sparkling mineral water, is).
Answer: Short for "physiotherapist".