Where does “ความสุข” come from?

ความสุข (Thai) comes from Thai สุข, 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.

ความสุข (Thai): happiness; bliss; joy; delight

Definitions

  1. happiness; bliss; joy; delight

Ancestry of “ความสุข”, step by step

ความสุข traces back through two separate lines of ancestry.

via Thai สุข

StepLanguageWordMeaning
1Thaiสุขjoy; happiness; delight
2Sanskritसुखrunning swiftly or easily only applied to cars or chariots, superlative, easy
3Sanskritसु-good, well
4Proto-Indo-AryanHsu-
5Proto-Indo-IranianHsu-good
6Proto-Indo-Europeanh₁su-good
7Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast

via Thai ความ

StepLanguageWordMeaning
1Thaiความaffair; matter; content; essence; subject;...
2Proto-Taiɣwaːmᴬmatter
Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Sanskrit सु-