Crossword Genius

The Francophile’s farewell? (5)

Ross

I believe the answer is:

adieu

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'the francophile's' is the first definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.

'farewell?' is the second definition.
(adieu is a kind of farewell)

Can you help me to learn more?

(Other definitions for adieu that I've seen before include "farewell message" , "Parting word" , "cheers" , "Farewell (French)" , "the last word in France" .)

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