kim thanh

== Vietnamese == === Etymology === Sino-Vietnamese word from 金聲. === Pronunciation === (Hà Nội) IPA(key): [kim˧˧ tʰajŋ̟˧˧] (Huế) IPA(key): [kim˧˧ tʰɛɲ˧˧] (Saigon) IPA(key): [kim˧˧ tʰan˧˧] === Noun === kim thanh a coiled metal wire (usually copper) attached to the bottom of some stringed instruments to increase resonance; resonator coil; soundboard spring;