Śrīmad-Bhāgavatam 5.7.3
అజనాభం నామైతద్వర్షం భారతమితి యత ఆరభ్య వ్యపదిశన్తి ॥ ౩ ॥
ajanābhaṁ nāmaitad varṣaṁ bhāratam iti yata ārabhya vyapadiśanti.
[ajanaabham naamaitad varsham bhaaratam iti yata aarabhya vyapadishanti.]
Word-for-word
ajanābham
—
Ajanābha
nāma
—
by the name
etat
—
this
varṣam
—
island
bhāratam
—
Bhārata
iti
—
thus
yataḥ
—
from whom
ārabhya
—
beginning
vyapadiśanti
—
they celebrate.
Blended reading (Sanskrit + English inline)
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.
Formerly this planet was known as Ajanābha-varṣa, but since Mahārāja Bharata’s reign it has become known as Bhārata-varṣa.
Purport
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.
— A.C. Bhaktivedanta Swami Prabhupāda
Gauḍīya Ācāryas
Viśvanātha Cakravartī Ṭhākura
Gauḍīya
Translation
The place was known as Ajanābha-varṣa, but from Mahārāja Bharata's reign, it has become known as Bhārata-varṣa.
Because its ruler was the son of Nābhi (Ṛṣabha) the planet was known as Ajanābha. Since it is used in a name it does not become Ājanābha (the country belonging to Ṛṣabha and Nābhi). The land became known as Bhārata because Bharata ruled it.
My note
Source: vedabase.io