Crossword Genius

Gets somewhere concerning one's personal discomforts (7)

Ross

I believe the answer is:

reaches

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'gets somewhere' is the definition.
I can't tell whether this definition defines the answer.

'concerning one's personal discomforts' is the wordplay.
'concerning' becomes 're' (both can mean on a particular topic).
'one' becomes 'a' (a thing is one thing).
'personal discomforts' becomes 'ches' (I can't justify this - if you can you should believe this answer much more).
're'+'a'+'ches'='REACHES'

Can you help me to learn more?

(Other definitions for reaches that I've seen before include "Comes to" , "Attains" , "Gets to" , "Arrives at" , "Hands down" .)

I've seen this clue in the Evening Standard.
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