Leave-taking word (3)

I think it could be either:

Which length description are you looking for?:

adieu

'leave-taking word' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for adieu that I've seen before include "Comment on leaving" , "Goodbye, mon ami!" , "Fare thee well!" , "the last word in Paris" , "Goodbye in France" .)

I've seen this clue in the Newsday.com and The Mirror.

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