Where does “ច្រមុះ” come from?

ច្រមុះ (Khmer) comes from Proto-Mon-Khmer muh — nose.

ច្រមុះ (Khmer): nose; snout; beak

Definitions

Step	Language	Word	Meaning
1	Proto-Mon-Khmer	muh	nose

ច្រមុះ — Etymology, Origin & Word History | Etymology Explorer