Crossword Genius

Rush through potential Monopoly purchase (8)

Ross

I believe the answer is:

railroad

I'm a little stuck... Click here to teach me more about this clue!

'rush through' is the definition.
(I've seen this in another clue)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for railroad that I've seen before include "US term for train line" , "[DRAGOON]" , "Rush (someone) into doing something" , "Coerce (someone) into doing something" , "Push through unduly" .)

I've seen this clue in the Sydney Morning Herald.
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