Son with woman's dad, mountain expert (6)

I believe the answer is:

sherpa

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'mountain expert' is the definition.
The definition suggests a singular noun which matches the answer.

'son with woman's dad' is the wordplay.
'son' becomes 's' (genealogical abbreviation for son).
'with' is a charade indicator (letters next to each other).
'woman' becomes 'her' (her refers to a woman).
'dad' becomes 'pa' (both can mean one's father).
's'+'her'+'pa'='SHERPA'

Can you help me to learn more?

(Other definitions for sherpa that I've seen before include "Skilled Himalayan mountaineer" , "one to climb mountains maybe" , "porter" , "Native Himalayan mountain climber" , "Himalayan - phrase (anag)" .)

I've seen this clue in The Sun.

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