Crossword Genius

Opposing abolishing small lunchtime breaks (5)

Ross

I believe the answer is:

rests

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'breaks' is the definition.
(I know this)

I cannot understand how the rest of the clue works.

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(Other definitions for rests that I've seen before include "Pauses; relaxes" , "holidays" , "Relaxes, sleeps" , "Takes a break" , "Reposes" .)

I've seen this clue in The Guardian.
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