Came between people (10)

I believe the answer is:

interceded

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'came' is the definition.
Although both the answer and definition are past participle verbs, I can't understand how one could define the other.

'between people' is the wordplay.
'between' becomes 'inter'.
'people' becomes 'ceded' (I can't justify this - if you can you should believe this answer much more).
'inter'+'ceded'='INTERCEDED'

Can you help me to learn more?

I've seen this clue in The Globe and Mail.

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