"Bye, Pierre!"
I believe the answer is:
adieu
(Other definitions for adieu that I've seen before include "Farewell, adios" , "Fare thee well!" , "Gallic goodbye" , "Parting greeting" , "Goodbye, madame" .)
I believe the answer is:
adieu
(Other definitions for adieu that I've seen before include "Farewell, adios" , "Fare thee well!" , "Gallic goodbye" , "Parting greeting" , "Goodbye, madame" .)