Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 70: Rāma’s Noble Lineage
Text 1.70.40

रघोस्तु पुत्रस्तेजस्वी प्रवृद्धः पुरुषादकः।
कल्माषपादो ह्यभवत्तस्माज्जातश्च शङ्खणः॥

raghos tu putras tejasvī pravṛddhaḥ puruṣādakaḥ
kalmāṣapādo
hy abhavat tasmāj jātaś ca śaṅkhaṇaḥ

raghu tu putraḥ = Raghu’s son; tejasvīḥ = was the powerful; pravṛddhaḥ = Pravṛddha; puruṣādakaḥ = who became a rākṣasa; kalmāṣapādaḥ hi abhavat = he became known as Kalmāṣapāda; tasmāt = from him; jātaḥ ca śaṅkhaṇaḥ = was born Śaṅkhaṇa.

Raghu’s son was the powerful Pravṛddha who became a rākṣasa. He became known as Kalmāṣapāda. From him was born Śaṅkhaṇa.

Raghu’s son was previously known as Pravṛddha. By Vasiṣṭha’s curse, he became a rākṣasa. When he had taken water to countercurse Vasiṣṭha, his wife pleaded with him [to desist]; the water spilled on his feet because of which he was called Kalmāṣapāda.