What is the common name for lyhn?

"Lyhn" is not a recognized word in English or any other widely spoken language. It's possible that it's a misspelling, a technical term, or a word from a specific dialect or region.

To help me find the common name you're looking for, could you please provide more context or information? For example:

* What is the context of the word "lyhn"? Is it from a book, a website, a conversation, etc.?

* What is the general topic or subject related to the word?

* Is there any other information you can provide, such as the pronunciation or the word's origin?

With more information, I can help you find the common name you're looking for.