noun
capital; initial investment
Accounting term for the initial capital or funds put into a business or venture.
開業にあたり、元入金として500万円を用意した。
We prepared 5 million yen as initial capital for starting the business.
Compound of 元 (もと, 'origin, base') + 入 (いれ, from 入れる 'to put in') + 金 (きん, 'money'). The term literally means 'base input money' and is used in accounting to refer to initial capital.