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 资深译员徐玲,知名法学院法律翻译专业,擅长翻译各类与财务重组相关的法律文件。