"Matt" is a common diminutive form of the male given name Matthew and any of several similar-sounding variants (e.g. Mateo, Mathias). Matthew itself is ultimately derived from Hebrew Matityahu, meaning "gift of YHWH".
Usage
See Special:Whatlinkshere/Etymology:Matt for a list of articles using this term.
This is an etymology page: a page detailing the origins of terminology used in the series in regards to real world culture and history.