ajanābhaṁ nāmaitad varṣaṁ bhāratam iti yata ārabhya vyapadiśanti
ajanābham - Ajanābha; nāma - by the name; etat - this; varṣam - island; bhāratam - Bhārata; iti - thus; yataḥ - from whom; ārabhya - beginning; vyapadiśanti - they celebrate.
This planet was formerly known as Ajanābha because of the reign of King Nābhi. After Bharata Mahārāja ruled the planet, it became celebrated as Bhārata-varṣa.