Bhashya
अथ यद्द्वितीयममृतं तद्रुद्रा उपजीवन्तीत्यादि समानम् ॥
In plain words
Now, as for the second nectar—which the Rudras live upon—the rest of the explanation proceeds identically as before.
Close to the Sanskrit
Now, what is the second nectar, that the Rudras subsist upon—thus [the text continues, and] the rest is uniform.