Where does “ຫ້ອງນ້ຳ” come from?

ຫ້ອງນ້ຳ (Lao) comes from Lao ນ້ຳ, from Proto-Tai *C̬.namꟲ.

ຫ້ອງນ້ຳ (Lao): bathroom; toilet

Definitions

Step	Language	Word	Meaning
1	Lao	ນ້ຳ	water; liquid, sauce
2	Proto-Tai	*C̬.namꟲ	—

ຫ້ອງນ້ຳ — Etymology, Origin & Word History | Etymology Explorer