Where does “รวมหัว” come from?

รวมหัว (Thai) comes from Thai หัว, from Proto-Tai truəᴬ — head.

รวมหัว (Thai): to act or work together (usually for something bad)

Definitions

  1. to act or work together (usually for something bad)

Ancestry of “รวมหัว”, step by step

รวมหัว traces back through two separate lines of ancestry.

via Thai หัว

StepLanguageWordMeaning
1Thaiหัวhead; swelling; protuberance; bulb, tuber, or...
2Proto-Taitruəᴬhead

via Thai รวม

StepLanguageWordMeaning
1Thaiรวมto combine; to add up; to sum up
Every word from Proto-Tai truəᴬEvery word from Thai หัว