One gets up to fanging in Getty Museum? (6)

I believe the answer is:

irises

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'fanging in getty museum?' is the definition.
I can't tell whether this definition defines the answer.

'one gets up' is the wordplay.
'one' becomes 'i' (Roman numeral).
'gets up' becomes 'rises' ('rise' can be a synonym of 'get up').
'i'+'rises'='IRISES'

'to' acts as a link.

Can you help me to learn more?

(Other definitions for irises that I've seen before include "Flowers painted by Van Gogh" , "Subject for van Gogh" , "Plants with sword-shaped leaves" , "Is sire in favour of flowers?" , "Flowers and parts of eyes" .)

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

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