* Uncommon: The word "terwora" is not a common English word. It doesn't refer to a general category of things or a concept.
* Capitalization: If you found this word in a text, chances are it was capitalized. Capitalization is a strong indicator of a proper noun.
* Possible Origins: Proper nouns often refer to specific people, places, or things. It's possible "terwora" could be:
* A person's name
* A place name (like a town or a country)
* A brand name
* A unique object or invention
To be certain: You would need more context. Where did you encounter the word "terwora"? Knowing the context would help determine if it's a proper noun.