Crossword Genius

Freshly papered walls in rectory originally … (8)

Ross

I believe the answer is:

prepared

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'freshly papered walls in rectory originally' is the definition.
I can't tell whether this definition defines the answer.

'freshly papered walls in rectory originally' is the wordplay.
'freshly' is an anagram indicator.
'walls in' is an insertion indicator (I've seen this in other clues).
'originally' indicates taking the first letters.
The first letter of 'rectory' is 'r'.
'papered' anagrammed gives 'prepaed'.
'prepaed' enclosing 'r' is 'PREPARED'.

Can you help me to learn more?

(Other definitions for prepared that I've seen before include "edited" , "Made or got ready" , "All set" , "Waiting" , "Ready for action" .)

I've seen this clue in The Guardian.
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