สมเด็จพระ • (sǒm-dèt-prá)
From สมเด็จ (sǒm-dèt) + พระ (prá). Equivalent to Old Khmer saṃtec (literally “condition of being supreme in status and power”) + bra (literally “distinguished; divine; excellent; holy; sacred; superior; etc”). Compare Modern Khmer សម្តេចព្រះ (sâmtéchpreăh).