What does lewenski mean?

"Lewenski" is not a common word in any widely spoken language. It's possible that it is a misspelling, a regional term, or a made-up name.

To help me understand what you're looking for, could you please provide more context?

* Do you have a specific source where you encountered this word?

* What is the context in which you saw or heard it?

* What language do you think it might be from?

With more information, I can try to provide a more helpful answer.