Here are some possible origins and meanings:
* Zam could be a shortened form of "Elizabeth" (e.g., "Liz" becomes "Zam").
* Zam could be a nickname or abbreviation of a place name, like "Zambesi" or "Zamora".
* Zam could be a slang term or informal word with a specific meaning within a particular group or region.
Without more context, it's difficult to pinpoint the exact language origin of "Zam." To understand the meaning, you would need more information about its usage and the context in which you encountered it.