mserre
mserre is a term that may refer to different things but does not denote a single widely recognized subject. In general usage, it appears most often as a typographical form associated with other terms or as a hypothetical surname in French-language contexts. Because it is not widely documented as a standalone topic, reliable information about "mserre" as an entity is limited.
As a surname: In onomastic contexts, mserre could be encountered as a rare French surname. When used
As a potential variant of a technical term: The term is sometimes confused with MSER, the Maximally
If you meant a specific individual, project, or concept named mserre, providing additional context would help