Chisanbop
[ chiz-uh n-bop ]
/ ˈtʃɪz ənˌbɒp /
Mathematics, Trademark.
a system for performing basic arithmetic calculations, especially addition, by counting on one's fingers in a specified way.
Origin of Chisanbop
< Korean
chi- finger +
san(p)pǒp calculation, < Middle Chinese, equivalent to Chinese
zhǐ suànfǎ