Crossword Genius

So moving west to avoid hot spring (6)

Ross

I believe the answer is:

sprout

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'spring' is the definition.
(thesaurus)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for sprout that I've seen before include "Germinate" , "Produce shoots; vegetable" , "Young shoot" , "Start growing" , "Start to grow" .)

I've seen this clue in the Sydney Morning Herald.
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