How to tag countries of which food in international stores comes from?

I was in an international food store and would like to be able to find it when searching for any country whose food you can buy there.

So I would like to tag it similar to cuisine with restaurants.

What tag to use, and how to set multiple values?

Thanks!

I believe the key origin=* is what you are looking for:

Key:origin - OpenStreetMap Wiki

althoug the wiki page says for food shops you should use cuisine=* as also used for restaurants.

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