[bananzamba]

Or like Meshico

[asveikau]

That is how Mexico used to be pronounced in Old Spanish. Kind of like how X is sometimes pronounced "sh" in Portuguese. The name was based on an indigenous name which had the "sh" sound there.

[tiagod]

> Kind of like how X is sometimes pronounced "sh" in Portuguese.

Including this case! México is still pronounced with the "sh" in Portuguese :)