Crossword Genius

Female suppressing Welsh nation (4)

Ross

I believe the answer is:

oman

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'nation' is the definition.
(Oman is an example)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for oman that I've seen before include "Arabian country, capital Muscat" , "Gulf state" , "Nation" , "Arabian peninsula country" , "Former Gulf country, Muscat and --" .)

I've seen this clue in The Independent.
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