Before noon, couple charges for inspiring love that's eroded (8)

I believe the answer is:

footworn

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'before noon couple charges' is the definition.
I can't judge whether this definition defines the answer.

'inspiring love that's eroded' is the wordplay.
'inspiring love' becomes 'foot' (I can't explain this - if you can you should believe this answer much more).
'that's eroded' becomes 'worn' (similar in meaning).
'foot'+'worn'='FOOTWORN'

'for' acts as a link.

Can you help me to learn more?

I've seen this clue in The Independent.

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