विद्वेषनष्टमतयः स्त्रियो दारुणचेतसः ।
गरं ददुः कुमाराय दुर्मर्षा नृपतिं प्रति ॥ ४३ ॥
vidvesa-nasta-matayah-whose intelligence was lost in envy; striyah-the women; daruna-cetasah-being very hardhearted; garam-poison; daduh-administered; kumaraya-unto the boy; durmarsah-being intolerant; nrpatim-the King; prati-upon.
As their envy increased, they lost their intelligence. Being extremely hardhearted and unable to tolerate the King's neglect, they finally administered poison to the son.