The far tree, felled subsequently (10)

I believe the answer is:

thereafter

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

'the far tree felled' is the wordplay.
'the far tree' anagrams to 'THEREAFTER'.
Though, I'm unsure how this is indicated.

Can you help me to learn more?

(Other definitions for thereafter that I've seen before include "Next" , "later" , "Subsequently" , "Following that time" .)

I've seen this clue in the Evening Standard.

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