Crossword Genius

Desire When Eight Bells Toll to be presented progressively (4)

Ross

I believe the answer is:

will

'desire' is the definition.
(thesaurus)

I don't understand how the rest of the clue works.

(Other definitions for will that I've seen before include "Fixed intention" , "Final disposition" , "- And Grace, TV series" , "Inclination" , "Intention; legal document" .)

I've seen this clue in The Independent.
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