Experience making the German leave after French one (7)

I believe the answer is:

undergo

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'experience' is the definition.
(synonyms)

'the german leave after french one' is the wordplay.
'the german' becomes 'der' ('the' in German).
'leave' becomes 'go' (to go is to depart or leave).
'after' says to put letters next to each other.
'french one' becomes 'un' (northern English dialect form of 'one'. I am not sure about the 'french' bit.).
'der'+'go'='dergo'
'dergo' after 'un' is 'UNDERGO'.

'making' is the link.

Can you help me to learn more?

(Other definitions for undergo that I've seen before include "Stand" , "Guerdon (anag.)" , "Endure for guerdon" , "having to travel by tube" , "experience needed" .)

I've seen this clue in The Daily Express.

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