ex mutuoglossary / EX MUTUO ex mutuo (eks myoo-choo-oh). [Latin] From or out of loan. • In old English law, a debt was said to arise ex mutuo when one lent another anything that consisted in number, weight, or measure. 词条贡献者 双语律师Akira,国际知名法学院法律专业,擅长翻译各类与地产开发相关的法律文件。