। ॥ ४० ॥
In plain words
Bhavānī, the water poured over your lotus feet comes away holy. That water is what I beg of you, and I beg it as medicine — to quiet the disease of birth after birth.
Close to the Sanskrit
O Bhavānī, the waters purified by the washing of your lotus feet — for the quieting of the disease of worldly existence, I beg them of you as medicine.