In his mystic interpretation, Mexico could mean "Center of the World," and, in fact, it was represented as such in various codices, as a place where all water currents that cross the Anahuac ("world" or "land surrounded by seas") converge (see image on the Mendoza codex). It is thus possible that the other meanings (or even the "secret name" Mexi) were then popular pseudoetymologies.
In his esoteric understanding, Mexico could mean "Hub of the World," and, in reality, it was depicted as such in various codices, portraying it as a location where all ocean currents that cross the Anahuac ("world" or "land surrounded by seas") converge (see image on the Mendoza codex). It is thus possible that the other meanings (or even the "hidden name" Mexi) were then widely accepted pseudoetymologies.