noun
Lebensraum
Historical term referring to the Nazi concept of 'living space' for the German people, often used in discussions of World War II and geopolitics.
ナチス・ドイツは東欧に生存圏を求め、侵略を正当化した。
Nazi Germany sought Lebensraum in Eastern Europe and justified its invasion.
Compound of 生存 (seizon, 'survival, existence') and 圏 (ken, 'sphere, zone'), calque of German 'Lebensraum'.