Where does “บูรพทิศ” come from?

บูรพทิศ (Thai) comes from Thai ทิศ, from Sanskrit दिश्, from Proto-Indo-Iranian *dayć-.

Ancestry of “บูรพทิศ”, step by step

บูรพทิศ traces back through two separate lines of ancestry.

via Thai ทิศ

StepLanguageWordMeaning
1Thaiทิศdirection; point of the compass
2Sanskritदिश्quarter; region; direction; place; part; quarter,...
3Proto-Indo-Iranian*dayć-

via Thai บูรพ

StepLanguageWordMeaning
1Thaiบูรพ
Every word from Proto-Indo-Iranian *dayć-Every word from Sanskrit दिश्Every word from Thai ทิศ