Crossword Genius

Epic story about a gas (4)

Ross

I believe the answer is:

saga

'epic story' is the definition.
(I've seen this in another clue)

'about a gas' is the wordplay.
'about' says the letters should be written backwards.
'a'+'gas'='agas'
'agas' written backwards gives 'SAGA'.

(Other definitions for saga that I've seen before include "Body of legend" , "Long heroic tale" , "Long and involved story" , "Long involved tale" , "Epic story" .)

I've seen this clue in The Mirror.
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