Where does “ຮູດັງ” come from?

ຮູດັງ (Lao) comes from Lao ດັງ, from Proto-Tai ɗaŋᴬ — nose.

ຮູດັງ (Lao): nostril

Definitions

Step	Language	Word	Meaning
1	Lao	ດັງ	to resound, ring out; loud, resounding; nose
2	Proto-Tai	ɗaŋᴬ	nose

ຮູດັງ — Etymology, Origin & Word History | Etymology Explorer