Crossword Genius

Arrange severance of leg in attack (3,2)

Ross

I believe the answer is:

set up

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

'arrange' is the definition.
(I know that arrange can be written as set up)

'severance of leg in attack' is the wordplay.
I cannot really understand how this works, but
'attack' could be 'set' (setting is a kind of attacking) and 'set' is located in the answer.
The remaining letters 'up' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for set up that I've seen before include "Fool" , "a useful situation at tennis?" , "Assemble - design - establish" , "Contrived situation" , "Informally, the structure of an organisation" .)

I've seen this clue in The Guardian.
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