putra-nāśam upāśṛṇot

etasmin-at this; kale-time; utpatan-disturbances; bahun-many; pasyan-seeing; prajapatih-Prajapati Daksa; purva-vat-like before; narada-by the great sage Narada Muni; krtam-done; putra-nasam-the loss of his children; upasrnot-he heard of.