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Once again, went over grass borders in a mood (9)

Ross

I believe the answer is:

recrossed

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'grass borders in a mood' is the definition.
I can't judge whether this defines the answer.

'once again went over' is the wordplay.
'once again' becomes 're' (prefix in verbs).
'went over' becomes 'crossed' (I've seen this before).
're'+'crossed'='RECROSSED'

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(Other definitions for recrossed that I've seen before include "passed over again" , "Again went over" .)

I've seen this clue in The Times.
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