jñātvā - knowing; putrasya - of his son; tat - that; karma - action; guruṇā - by the spiritual master (Vasiṣṭha); abhihitam - informed; nṛpaḥ - the King (Ikṣvāku); deśāt - from the country; niḥsārayām āsa - drove away; sutam - his son; tyakta-vidhim - because he violated the regulative principles; ruṣā - out of anger.

When King Ikṣvāku, thus informed by Vasiṣṭha, understood what his son Vikukṣi had done, he was extremely angry. Thus he ordered Vikukṣi to leave the country because Vikukṣi had violated the regulative principles.