Hate to heal (6)

I believe the answer is:

loathe

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

'hate' is the definition.
(I know that loathe is a more specific form of the action hate)

'to heal' is the wordplay.
'to heal' anagrams to 'LOATHE'.
Though, I'm unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for loathe that I've seen before include "Feel disgust for (person)" , "Abhor, abominate" , "Find disgusting" , "Can't abide" , "cannot stand" .)

I've seen this clue in The Irish Independent.

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