Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 42: Bhagīratha’s Austerities for Gaṅgā’s Descent
Text 1.42.7

तस्य चिन्तयतो नित्यं धर्मेण विदितात्मनः।
पुत्रो भगीरथो नाम जज्ञे परमधार्मिकः॥

tasya cintayato nityaṁ dharmeṇa viditātmanaḥ
putro
bhagīratho nāma jajñe parama-dhārmikaḥ

tasya cintayataḥ nityam = while Dilīpa, daily contemplated; dharmeṇa = on an effective dhārmika means to achieve his goals; vidita-ātmanaḥ = famous for his intelligence; putraḥ = son; bhagīrathaḥ nāma = named Bhagīratha; jajñe = was born to him; parama-dhārmikaḥ = a greatly dhārmika.

While Dilīpa, famous for his intelligence, daily contemplated on an effective dhārmika means to achieve his goals, a greatly dhārmika son named Bhagīratha was born to him.