बन्धुमुख्यप्रग्रहः प्रतिग्रहः ॥ कZ_०७.१७.११ ॥
bandhu-mukhya-pragrahaḥ pratigrahaḥ
Ein „Gegengepfand“ (pratigraha) ist das Nehmen/Festhalten (pragraha) eines Verwandten oder eines führenden Mannes.
It creates enforceable reciprocity: by holding a high-value person, the state gains leverage to deter breach and to compel performance without immediate war.