Crossword Genius

Key member, close (6)

Ross

I believe the answer is:

legend

'key' is the definition.
(I've seen this before)

'member close' is the wordplay.
'member' becomes 'leg' (member can mean a limb).
'close' becomes 'end' (close can mean to end or finish).
'leg'+'end'='LEGEND'

(Other definitions for legend that I've seen before include "Roger Federer, for example" , "Story from long ago" , "Old yarn" , "Ancient story" , "Saga" .)

I've seen this clue in The Telegraph.
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