The Khmer script, known as Khorm in Thai, is an ancient writing system, that arrived in Southeast Asia around the seventh century. This script descended from the Brahmi script, of ancient India, specifically through the Pallava script, of South India. What makes this particularly interesting. is that the Khmer script. is actually the ancestor of the modern Thai script we use today. In Thailand, and Laos, this Khmer derived writing. was traditionally reserved. for sacred and scholarly texts. Thai

Khom Thai: Khmer Script Usage Explained