Where does “ตัวหนังสือ” come from?

ตัวหนังสือ (Thai) comes from Thai หนังสือ, from Thai สือ, from Proto-Tai sɯːᴬ, from Middle Chinese 書.

ตัวหนังสือ (Thai): letter (of the alphabet)

Definitions

  1. letter (of the alphabet)

Ancestry of “ตัวหนังสือ”, step by step

ตัวหนังสือ traces back through two separate lines of ancestry.

via Thai หนังสือ

StepLanguageWordMeaning
1Thaiหนังสือletter; character; script; written form; written...
2Thaiสือletter; character; book
3Proto-Taisɯːᴬwriting; book
4Middle Chinese書—

via Thai ตัว

StepLanguageWordMeaning
1Thaiตัวself; figure; form; shape; body; embodiment;...
2Old Chinese頭—
Every word from Middle Chinese 書 →Every word from Proto-Tai sɯːᴬ →Every word from Thai สือ →