Crossword Genius

Add a dash of hype, then a diversion (9)

Ross

I believe the answer is:

hyphenate

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'add a dash' is the definition.
I know that 'dash' relates to this answer.

'hype then a diversion' is the wordplay.
'diversion' indicates anagramming the letters.
'hype'+'then'+'a'='hypethena'
'hypethena' anagrammed gives 'HYPHENATE'.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for hyphenate that I've seen before include "Make a dash" , "the line in three-legged race" , "with short line" , "Join two words with horizontal dash" , "Add dash" .)

I've seen this clue in The Daily Express.
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