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The morning that woman interrupting revolutionary Dubliner is taken by surprise (8)

Ross

I believe the answer is:

ambushed

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'taken by surprise' is the definition.
Although both the answer and definition are past participle verbs, I don't see how one could define the other.

'the morning that woman interrupting revolutionary dubliner' is the wordplay.
'the morning' becomes 'am'.
'that woman' becomes 'she' (I've seen this before).
'interrupting' means one lot of letters goes inside another.
'revolutionary dubliner' becomes 'bud' (I can't justify this - if you can you should believe this answer much more).
'she' inserted into 'bud' is 'bushed'.
'am'+'bushed'='AMBUSHED'

'is' is the link.

Can you help me to learn more?

(Other definitions for ambushed that I've seen before include "Taken by surprise in war" , "Lay in wait and waylaid" , "surprised?)" , "Attacked (someone) from concealment" , "taken, surprisingly" .)

I've seen this clue in the Irish Times (Crosaire) and the Irish Times.
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