Where does “คำสาบาน” come from?

คำสาบาน (Thai) comes from Thai คำ, from Proto-Southwestern Tai *ɡamᴬ⁴, from Proto-Tai ɡamᴬ — bite ; speech.

คำสาบาน (Thai): oath

Definitions

  1. oath

Ancestry of “คำสาบาน”, step by step

คำสาบาน traces back through two separate lines of ancestry.

via Thai คำ

StepLanguageWordMeaning
1Thaiคำword; speech; gold
2Proto-Southwestern Tai*ɡamᴬ⁴
3Proto-Taiɡamᴬbite ; speech

via Thai สาบาน

StepLanguageWordMeaning
1Thaiสาบานto swear; to vow; to pledge; to take an oath
Every word from Proto-Tai ɡamᴬEvery word from Proto-Southwestern Tai *ɡamᴬ⁴Every word from Thai คำ