Crossword Genius

What the Irish may be putting on or wearing (5)

Ross

I believe the answer is:

green

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

'wearing' is the definition.
Both the definition and answer are adjectives. Perhaps you can see an association between them that I don't see?

'what the irish may be putting on' is the wordplay.
I cannot quite see how this works, but
'on' could be 're' (regarding) and 're' is located in the answer.
The remaining letters 'gen' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'or' acts as a link.

Can you help me to learn more?

(Other definitions for green that I've seen before include "conservationist" , "Fresh - environmentally friendly - colour" , "political activist" , "Caring for environment" , "Consultative document" .)

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