noun
hostile nation
Formal term used in legal, diplomatic, or military contexts to refer to a nation considered an enemy.
その法律は敵性国家の資産を凍結する権限を与えている。
The law grants authority to freeze assets of hostile nations.
Compound of 敵性 (hostile nature) and 国家 (nation). The exact historical derivation is uncertain; the term appears in modern legal and diplomatic usage.