-ឧបនីយកម្ម (Khmer) comes from Pali upanīya, from Pali kamma, from Sanskrit कर्मन्, from Proto-Indo-Aryan kárma, from Proto-Indo-Iranian kárma, from Proto-Indo-European kʷer- — to do; to make; to build.
-ឧបនីយកម្ម (Khmer): ization