SB 10.10.1

śrī-rājā uvāca — the King further inquired; kathyatām — please describe; bhagavan — O supremely powerful one; etat — this; tayoḥ — of both of them; śāpasya — of cursing; kāraṇam — the cause; yat — which; tat — that; vigarhitam — abominable; karma — act; yena — by which; vā — either; devarṣeḥ tamaḥ — the great sage Nārada became so angry.