Oddly hoped city swayed two artistic panels (7)

I believe the answer is:

diptych

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'oddly hoped city swayed two artistic panels' is the definition.
I can't tell whether this defines the answer.

'oddly hoped city swayed' is the wordplay.
'oddly' means one should take alternating letters (letters in the odd-numbered positions are used).
'swayed' indicates anagramming the letters (I've seen 'swaying' mean this (letters swaying or moving around)).
The alternate letters of 'hoped' are 'hpd'.
'hpd'+'city'='hpdcity'
'hpdcity' is an anagram of 'DIPTYCH'.

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(Other definitions for diptych that I've seen before include "Two-part painting" , "Picture with two panels" , "Pair of paintings on two hinged panels" , "Painting on dual surface, that folds" , "Painting with two hinged panels" .)

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

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