"Devarāja" is a Sanskrit word which could have different meanings such as "god-king" or "king of the gods". In a Khmer context the term was used in the latter sense, but occurs only in the Sanskrit portion of the inscription K. 235 from Sdok Kak Thom / Sdok Kăk Thoṃ (in modern Thailand) dated 8 February 1053 CE, referring to the Khmer term kamrateṅ jagat ta rāja ("Lord of the Universe who is King") describing the protective deity of the Khmer Empire, a distinctly Khmer deity, which was mentioned before in the inscription K. 682 of Chok Gargyar (Kòḥ Ker) dated 921/22 CE.[1]
In the Sdok Kăk Thoṃ inscription a member of a Brahman family claimed that his ancestors since the time of Jayavarman II (Khmer: ជ័យវរ្ម័នទី២), who established around 800 CE by marriage to the daughter of a local king in the Angkor region a small realm which became at the end of the 9th century the famous Khmer Empire, were responsible for the cult of the Devarāja (kamrateṅ jagat ta rāja). Historians formerly dated his reign as running from 802 CE to 850 CE, but these dates are of very late origin (11th century) and without any historical basis. Some scholars[2] now have tried to identify Jayavarman II with Jayavarman Ibis who is known from his inscriptions from Práḥ Thãt Práḥ Srĕi south of Kompoṅ Čàṃ (K. 103, dated 20 April 770[3] and from Lobŏ’k Srót in the vicinity of Kračèḥ close to the ancient town of Śambhupura (K. 134, dated 781 CE[4]). The Sdok Kăk Thoṃ inscription incised c. 250 years after the events (of which their historicity is doubtful) recounts that on the top of the Kulen Hills, Jayavarman II instructed a Brahman priest named Hiraṇyadāman to conduct a religious ritual known as the cult of the devarāja (Khmer: ទេវរាជា) which placed him as a cakravartin, universal monarch, a title never heard of before in the Khmer soil.