Where does “หมดลม” come from?

หมดลม (Thai) comes from Thai ลม, from Proto-Tai *C̬.lɯmᴬ.

หมดลม (Thai): to die

Definitions

Step	Language	Word	Meaning
1	Thai	ลม	wind; breeze; air; intestinal gas
2	Proto-Tai	*C̬.lɯmᴬ	—

หมดลม — Etymology, Origin & Word History | Etymology Explorer