琴 | qín | guqin 古琴[gu3 qin2] (a type of zither) / musical instrument in general |
筝 | zhēng | guzheng or long zither / long zither with 13 to 16 strings, developed from guqin 古琴 during Tang and Song times / Japanese koto |
古筝 | gǔ zhēng | guzheng (large zither with 13 to 25 strings, developed from guqin 古琴[gu3 qin2] during Tang and Song times) |
古琴 | gǔ qín | guqin or qin, a long zither with seven strings, plucked with the fingers |