How to bury orphaned painter (5)

I believe the answer is:

inter

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'bury orphaned painter' is the definition.
'inter' can be an answer for 'bury' (synonyms). I am unsure of the 'orphaned painter' bit.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for inter that I've seen before include "I rent (anag.)" , "top Italian side" , "Send to ground" , "foreign team" , "promoting cessation" .)

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

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