Disgusting heart born into it (9)

I believe the answer is:

abhorrent

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'into it' is the definition.
I can't judge whether this definition defines the answer.

'disgusting heart born' is the wordplay.
'disgusting' is an anagram indicator (a disgusting or rotten ordering of the letters).
'heart'+'born'='heartborn'
'heartborn' with letters rearranged gives 'ABHORRENT'.

Can you help me to learn more?

(Other definitions for abhorrent that I've seen before include "Repugnant, offensive" , "hateful" , "Earthborn (anag) - detestable" , "Disgusting, loathsome" , "Hated" .)

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

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