Dianas own take-away? (10)

I believe the answer is:

dispossess

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'dianas own take-away?' is the definition.
I can't tell whether this definition defines the answer.

'dianas own' is the wordplay.
'dianas' becomes 'dis' (I am not sure about this - if you are sure you should believe this answer much more).
'own' becomes 'possess' (synonyms).
'dis'+'possess'='DISPOSSESS'

Can you help me to learn more?

(Other definitions for dispossess that I've seen before include "Expel" , "Deprive of land and property" , "Deprive (someone) of land/property" , "Drive out l" .)

I've seen this clue in The Irish Independent.

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