noun
endorheic lake; inland lake with no outflow to the sea
A lake that does not drain into an ocean; water leaves only by evaporation or seepage. Often found in arid regions.
カスピ海は世界最大の内陸湖です。
The Caspian Sea is the world's largest endorheic lake.
内陸湖は降水量と蒸発量のバランスで水位が決まる。
The water level of an endorheic lake is determined by the balance between precipitation and evaporation.
Means 'inland' or 'interior'; 内陸湖 specifically refers to a lake in such a region that is hydrologically closed.
Compound of 内陸 (ないりく, 'inland') and 湖 (こ, 'lake'). The term is a direct calque of the English 'endorheic lake' or 'inland lake', used in geography.