Crossword Genius

Star able to work (7)

Ross

I believe the answer is:

canopus

'star' is the definition.
(I know that Canopus is a supergiant)

'able to work' is the wordplay.
'able' becomes 'can'.
'to work' becomes 'opus' (an opus is an artistic work).
'can'+'opus'='CANOPUS'

(Other definitions for canopus that I've seen before include "Second brightest star in the sky" , "Ancient Egyptian vase" , "A luminary" , "Ancient Egyptian funeral jar to hold entrails" , "Shiner" .)

I've seen this clue in The Globe and Mail.
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