अरेर्नेतुश्च यद्वृद्धिं दौर्बल्यादनुवर्तते ॥ कZ_०७.९.४८अब् ॥
arer netuś ca yad vṛddhiṃ daurbalyād anuvartate
And that which, out of weakness, follows the rise/prosperity of an enemy and its leader.
Bandwagoning under pressure: weaker states align with the rising power (even an enemy) to avoid harm or secure minimal protection.