Haishakukin (borrowed money) was money that the Edo bakufu (Japanese feudal government headed by a shogun) lent without interest to daimyo (Japanese feudal lord) and hatamoto (direct retainer of the Edo bakufu) as a means of financial support.
拝借金（はいしゃくきん）とは、江戸幕府が財政支援のために、大名・旗本などに無利子に貸与した金銭。