How to return the translation of product titles to the default language?

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The default language is Estonian. I translate with translate & adapt into English and Russian. There are no problems with English. But the module translates brand names in product titles into Russian verbatim. You can see in the screenshots. How to make the product titles remain in their original form ? Or how to translate them back ? Help please...

https://postimg.cc/gallery/q7m1jcY