the middle portion between two bamboo nodes

e-ng sa-

a bamboo pipe(portion between two nodes)

e-ng kōlo-k

long bamboo pipe(portion between two nodes)

e-ng bārā

short bamboo pipe ( portion between two nodes)

e-ng sāy

flattened bamboo

engsay suk,engsay sug

e-ng sāysu-k,e-ng sāy sūg

flatten a bamboo

ya-sīe-ng

the joint of the finger