Bothering tailor for dressing gown (5-4)

I believe the answer is:

night-robe

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

'gown' is the definition.
(I know that gown can be written as night-robe)

'bothering tailor' is the wordplay.
'tailor' indicates an anagram (letters tailored or designed).
'bothering' is an anagram of 'NIGHT-ROBE'.

'for dressing' is the link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

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

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