Crossword Genius

When to level things out? (7)

Ross

I believe the answer is:

evening

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'when to' is the definition.
I can't tell whether this definition defines the answer.

'level things out?' is the wordplay.
'level' becomes 'even' (synonyms).
'things out?' becomes 'ing' (I can't explain this - if you can you should believe this answer much more).
'even'+'ing'='EVENING'

Can you help me to learn more?

(Other definitions for evening that I've seen before include "Dusk" , "Calming" , "Pressing - time of day" , "Making uniform" , "The close of a day; a word used in the first ever 2 dn" .)

I've seen this clue in The Irish News.
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