noun
Refers to money contributed to a business or organization as capital, often in a corporate or cooperative context.
組合に出資金を払い込む。
Pay in capital to the cooperative.
出資金の額は定款で定められている。
The amount of capital is stipulated in the articles of incorporation.
投資 means 'investment' in a broad sense, including financial assets, whereas 出資金 is the actual capital contributed to an entity.
Compound of 出資 (しゅっし, 'investment') + 金 (きん, 'money'). The term is straightforward and modern, with no obscure historical derivation.