Crossword Genius

Stop-go manoeuvre in snow (4,4)

Ross

I believe the answer is:

stem turn

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'manoeuvre in snow' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Perhaps there's an association between them I don't understand?

'stop-go' is the wordplay.
'stop' becomes 'stem' (stemming is a kind of stopping).
'go' becomes 'turn' (synonyms).
'stem'+'turn'='STEM TURN'

Can you help me to learn more?

(Other definitions for stem turn that I've seen before include "alpine move?" , "manoeuvre on skis" .)

I've seen this clue in The Times.
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