Crossword Genius

One smelling the roses, with an accent? (4,6)

Ross

I believe the answer is:

wine taster

I'm a little stuck... Click here to teach me more about this clue!

'accent?' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'one smelling the roses with an' is the wordplay.
I cannot quite see how this works, but
'one' could be 'i' (Roman numeral) and 'i' is present in the answer.
'the' could be 't' (the is pronounced as a 't' sound in some dialects) and 't' is found within the answer.
'with' could be 'w' (abbreviation) and 'w' is present in the answer.
'an' could be 'a' and 'a' is located in the answer.
The remaining letters 'nester' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for wine taster that I've seen before include "Drinks sampler" , "Person with refined palate" , "Person presented bouquets, perhaps" , "judge turning to drink" .)

I've seen this clue in The Everyman puzzle in The Observer.
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