परस्यापसंधेयतां दूष्यातिसंधानेन स्थापयित्वा व्यतिक्रमः कृतविदूषणम् ॥ कZ_०७.६.२१ ॥
parasyāpasaṃdheyatāṃ dūṣyātisaṃdhānena sthāpayitvā vyatikramaḥ kṛtavidūṣaṇam
«Politique de viciation accomplie» : d’abord rendre l’autre partie inapte à l’alliance en corrompant/altérant ses dispositions par des contre-intrigues trompeuses ; puis violer (l’entente/la relation).
It means engineering conditions (reputational, political, or operational) so others cannot safely ally with him, isolating him diplomatically.
Because isolation reduces retaliation coalitions; breach becomes less costly once the opponent’s alliance options are poisoned.