This language is also known as Alambic, it was the predecessor for the modern language of Chessentan. Basically, it was one of the Chessentic languages. In below lines we have mentioned the attributes of Auld Chessic Language.
Attributes Of Auld Chessic Language
Language Family: Faerûnian languages
Spoken By: Humans
Language Group: Chessan
Based on: Greek
Language Subgroup: Chessentic