indro manthatu manthitā śakraḥ śūraḥ puraṃdaraḥ yathā hanāma senā amitrāṇāṃ sahasraśaḥ
To conquer enemies
Let Indra the shaker shake (math) [them], he the mighty hero, stronghold-splitter, in order that we may slay by thousands the armies of our enemies.