Returning, say, nearly naked to commence jog (5)

Ross

I believe the answer is:

nudge

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'jog' is the definition.
(I know that jog is a more specific form of nudge)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for nudge that I've seen before include "Jogger" , "Gently encourage" , "Gentle encouragement" , "Shove" , "Prod gently with elbow" .)

I've seen this clue in The Independent.

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