Where does “หยาบคาย” come from?

หยาบคาย (Thai) comes from Thai คาย, from Proto-Tai ɣaːjᴬ — to put out of the mouth.

หยาบคาย (Thai): rude; impolite; vulgar

Definitions

  1. rude; impolite; vulgar

Ancestry of “หยาบคาย”, step by step

หยาบคาย traces back through two separate lines of ancestry.

via Thai คาย

StepLanguageWordMeaning
1Thaiคายto spit out; to emit; to loosen; to untwine
2Proto-Taiɣaːjᴬto put out of the mouth

via Thai หยาบ

StepLanguageWordMeaning
1Thaiหยาบcoarse (all senses)
Every word from Proto-Tai ɣaːjᴬEvery word from Thai คาย