The language of the first elves to keep a history of themselves, whose name for themselves was 'the ones who leave.'
The predominant language of the Kíndalla, literally “red speak,” is peppered with insults and idioms.
Thünard is the predominant language of dwarven societies and the interstellar language of commerce and diplomacy.
The language of the halflings of Eden, brought to paradise from Earth after the First Calamity.