国こく防ぼう色しょくこくぼうしょくMeanings1nounkhaki; olive drabRefers to the khaki or olive-drab color historically used for Japanese military uniforms. Often associated with pre-war and wartime Japan.戦せん時じ中ちゅう、多おおくの学がく生せいは国こく防ぼう色
