Teremok onion

It looks like you may be referencing "teremok," which translates to "little house" in Russian, and is often associated with a type of children's story or a cultural motif. However, if you meant "teremok onion," it might be a specific term or product I'm not familiar with. Onions, in general, are a common vegetable used globally in various cuisines, and they come in various varieties, such as yellow, white, and red onions. Could you please provide more context or clarify your question? This will help me assist you better!