Crossword Genius

One pure sod connived past tragedy (7,3)

Ross

I believe the answer is:

oedipus rex

I'm a little stuck... Click here to teach me more about this clue!

'tragedy' is the definition.
(Oedipus Rex is an ancient Greek tragedy)

'one pure sod connived past' is the wordplay.
I cannot really understand how this works, but
'one' could be 'o' (I've seen this in other clues) and 'o' is located in the answer.
'past' could be 'ex' (similar in meaning) and 'ex' is located in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for oedipus rex that I've seen before include "tragic hero" , "Play" , "One with complex" , "Drama by Sophocles" .)

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