本金

capital / principal

root / stem / origin / source / this / the current / original / inherent / originally / classifier for books, periodicals, files etc

surname Jin / surname Kim (Korean) / Jurchen Jin dynasty (1115-1234)

gold / chemical element Au / generic term for lustrous and ductile metals / money / golden / highly respected / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

equity ratio