Past is repeated - also included, eventually (7)

I believe the answer is:

byandby

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'eventually' is the definition.
I don't know anything about this answer so I cannot judge whether it can be defined by this definition.

'past is repeated also included' is the wordplay.
'past' becomes 'by' (as in years gone by).
'is repeated' says to double the letters.
'also' becomes 'and' (both can mean in addition).
'included' is an insertion indicator.
'by' duplicated is 'byby'.
'byby' placed around 'and' is 'BYANDBY'.

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I've seen this clue in The Daily Express.

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