The Khmer script is in the Abujida script used to write in Khmer, which is mostly used in Cambodia. The Khmer script is influential in some neighboring countries (such as Thailand, Laos) where they often Call the Khmer alphabet the Khmer alphabet. The Khmer alphabet has a left-to-right writing system for writing words in a number of sentences or phrases. Origin of the Khmer alphabet Khmer script..