Where does “สุโขทัย” come from?

สุโขทัย (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.

Ancestry of “สุโขทัย”, step by step

สุโขทัย 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 อุทัย

StepLanguageWordMeaning
1Thaiอุทัยappearance; emergence; rise; to rise; to come...
2Sanskritउदयgoing up, rising

Words derived from “สุโขทัย

Every word from Proto-Indo-European h₁wes-Every word from Proto-Indo-European h₁su-Every word from Sanskrit सु-
สุโขทัย — Etymology, Origin & Word History | Etymology Explorer