Here are some possibilities:
* "Hähnchen" means "chicken" in German. This could be a misspelling of "Herchen."
* "Herzen" is the plural of "Herz," meaning "heart." This word is pronounced similarly to "Herchen."
* "Herchen" might be a term used in a specific region or context. It could be a slang word or a term specific to a particular profession or field.
If you can provide more context about where you encountered this word, I may be able to help you understand its meaning.