Attendant with historical records (five lost) for certain governments (13)

I believe the answer is:

squirearchies

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'certain governments' is the definition.
The answer and definition can be both groups as well as being plural nouns.
Maybe you can see an association between them that I don't see?

'attendant with historical records five lost' is the wordplay.
'attendant' becomes 'squire' (squire is a kind of attendant**).
'with' means one lot of letters go next to another.
'historical records' becomes 'archives' (I've seen this before).
'five' becomes 'v' ('V' can be a synonym of 'five').
'lost' suggests deleting specific letters.
'archives' with 'v' removed is 'archies'.
'squire'+'archies'='SQUIREARCHIES'

'for' acts as a link.

Can you help me to learn more?

I've seen this clue in The Telegraph.

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