Root for the Scottish groom turning up with no ring at first (4)

I believe the answer is:

neep

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

I can't explain the rest of the clue.

(Other definitions for neep that I've seen before include "Root" , "Scots veg" , "vegetable in Scotland" , "(Scottish) turnip" , "Scots turnip" .)

I've seen this clue in The Independent.

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