Where does “ตายตัว” come from?

ตายตัว (Thai) comes from Thai ตาย, from Proto-Southwestern Tai *taːjᴬ², from Proto-Tai *p.taːjᴬ — to die.

ตายตัว (Thai): fixed; rigid; constant

Definitions

  1. fixed; rigid; constant

Ancestry of “ตายตัว”, step by step

ตายตัว traces back through two separate lines of ancestry.

via Thai ตาย

StepLanguageWordMeaning
1Thaiตายto die: to cease to live; to be or become dead;...
2Proto-Southwestern Tai*taːjᴬ²—
3Proto-Tai*p.taːjᴬto die

via Thai ตัว

StepLanguageWordMeaning
1Thaiตัวself; figure; form; shape; body; embodiment;...
2Old Chinese頭—
Every word from Proto-Tai *p.taːjᴬ →Every word from Proto-Southwestern Tai *taːjᴬ² →Every word from Thai ตาย →
ตายตัว — Etymology, Origin & Word History | Etymology Explorer