व्यसनाभियानं विगृह्ययाने व्याख्यातम् ॥ कZ_०९.१.४१ ॥
vyasanābhiyānaṃ vigṛhyayāne vyākhyātam
The doctrine of “campaigning in/against calamity (vyasana)” has been explained under the topic of marching to war (vigṛhya-yāna).
It links ‘calamity-based campaigning’ to the broader war-march doctrine, implying it is not a separate policy but a situational application within standard war planning.