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In dawn run, philosopher's first to overcome new shock (8)

Ross

I believe the answer is:

surprise

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'shock' is the definition.
(I've seen this before)

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(Other definitions for surprise that I've seen before include "Shock" , "Sudden astounding event" , "Astound" , "Take unawares" , "Unexpected or astonishing event" .)

I've seen this clue in The Telegraph.
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