Crossword Genius

What helps one remember work over in US (8)

Ross

I believe the answer is:

souvenir

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'what helps one remember' is the definition.
I can't tell whether this definition defines the answer.

'work over in us' is the wordplay.
'work' is an anagram indicator.
'over'+'in'+'us'='overinus'
'overinus' with letters rearranged gives 'SOUVENIR'.

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(Other definitions for souvenir that I've seen before include "remember seeing this?" , "Reminder of past events" , "Keepsake, memento" , "something worth keeping" , "Reminder of holiday" .)

I've seen this clue in The Times.
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