Ama-gi is a Sumerian word written 𒂼𒄄 ama-gi4 or 𒂼𒅈𒄄 ama-ar-gi4. Sumerians used it to refer to release from obligations, debt, slavery, taxation, or punishment. Ama-gi has been regarded as the first known written reference to the concept of freedom, and has been used in modern times as a symbol for libertarianism.