Crossword Genius

Does it make clothes hard to wear? (6)

Ross

I believe the answer is:

starch

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'wear?' is the definition.
The answer and definition can be both related to change as well as being verbs in their base form.
Perhaps there's a link between them I don't understand?

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for starch that I've seen before include "Fabric stiffener" , "rigid" , "Stiffener in the laundry" , "Reserve" , "Stuff that stiffens, say collars" .)

I've seen this clue in The Sun.
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