บรมราชาธิราช

Etymology
From 🇰🇲; ultimately from +, probably via ,. Compare Modern 🇨🇬.

Historian Sujit Wongthes (สุจิตต์ วงษ์เทศ) suggested that the term was created after the legendary leader.

Noun

 * 1) emperor; high king; king of kings.