Where does “Sok” come from?

Sok (English) comes from Khmer សុខ, from Pali sukha, from Sanskrit सुख, from Sanskrit सु-, from Proto-Indo-Aryan Hsu-, from Proto-Indo-Iranian Hsu-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

Ancestry of “Sok”, step by step

StepLanguageWordMeaning
1Khmerសុខto be healthy
2Palisukhahappiness, comfort
3Sanskritसुखrunning swiftly or easily only applied to cars or chariots, superlative, easy
4Sanskritसु-good, well
5Proto-Indo-AryanHsu-
6Proto-Indo-IranianHsu-good
7Proto-Indo-Europeanh₁su-good
8Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast
Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Sanskrit सु-