Crossword Genius

What bores behind Democrat were told again (7)

Ross

I believe the answer is:

reheard

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'were told again' is the definition.
I can't tell whether this definition defines the answer.

'what bores behind democrat' is the wordplay.
'what' becomes 'eh' (sound used to ask 'what?' or 'pardon?').
'bores' means one lot of letters goes inside another (to bore something can mean to drill into it).
'behind' becomes 'rear' (both can mean one's bottom).
'democrat' becomes 'd'.
'eh' placed inside 'rear' is 'rehear'.
'rehear'+'d'='REHEARD'

Can you help me to learn more?

(Another definition for reheard that I've seen is " Again tried".)

I've seen this clue in The Times.
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