noun
residual sovereignty
A legal and political concept referring to the sovereignty that remains with a people or entity after certain powers have been delegated, often used in contexts of territorial cession or federation.
条約により、その地域の潜在主権は元の国家に残された。
Under the treaty, residual sovereignty over the territory remained with the original state.
主権 is general sovereignty, while 潜在主権 specifically refers to sovereignty that is dormant or residual after delegation.
Compound of 潜在 (latent, potential) and 主権 (sovereignty). The term is a direct translation of the English legal concept 'residual sovereignty'.