Where does “ข้อศอก” come from?

ข้อศอก (Thai) comes from Thai ข้อ, from Proto-Tai χoːᶜ — joint.

ข้อศอก (Thai): elbow

Definitions

  1. elbow

Ancestry of “ข้อศอก”, step by step

ข้อศอก traces back through two separate lines of ancestry.

via Thai ข้อ

StepLanguageWordMeaning
1Thaiข้อjoint
2Proto-Taiχoːᶜjoint

via Thai ศอก

StepLanguageWordMeaning
1Thaiศอกelbow; the distance between the end of an elbow...
2Proto-TaiC̬.swoːkᴰ
Every word from Proto-Tai χoːᶜEvery word from Thai ข้อ