Crossword Genius

One moving fast from Dinant eloped (8)

Ross

I believe the answer is:

antelope

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'one moving fast' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.

'from dinant eloped' is the wordplay.
'from' indicates the answer is hidden within the clue.
'ANTELOPE' is hidden within 'dinant eloped'.

Can you help me to learn more?

(Other definitions for antelope that I've seen before include "Lean poet (anag.)" , "Graceful ruminant - one leapt (anag)" , "Fast runner" , "Swift-running animal like deer" , "Deer-like ruminant" .)

I've seen this clue in The Sun.
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