सर्वेषाम् for all beings, भूतानाम् beings, दुरतिक्रमा difficult to pass, कालरात्रीव like the night of dissolution, सानिशा that night, घोरा fierce, हरिराक्षसनाशिनी destructive to Vanaras and Rakshasas, बभूव remained.

Like the dreadful night for all beings, difficult to spend, as if it were a dissolution, destructive to Vanaras and Rakshasas.