Tamriel : The Fourth Era
Languages of the Mer:
-Most Men of the Empire, with the exception of the Redguard, speak Tamrielic or a dialect of Tamrielic, all peoples speak Cyrodiilic (common) unless stated otherwise.
Colovian (people of the Colovian Highlands)
Nibenese (people of the Nibenay Valley)
The Beast Tongues:
Language origin Chart
Speculation of Origins