Alphabet Tai Tham

The Tai Tham script (Tham meaning «scripture»), also known as Lanna script is a writing system used on the territory of the Lan Na Kingdom that doesn't exist now. Today this script is used to write Northern Thai, Tai Lü and Khün languages. Tai Tham was invented in about XII century. It is a descendant  Brahmic script 11000–1104D and is also an abugida. It is written from left to right.