Rudra-prasava-varṇana
The Manifestation and Naming of Rudra / Nīlalohita
रुद्रस्त्वं देव नामासि स इत्युक्तो ऽरुदत्पुनः / किं रोदिषि कुमारेति ब्रह्मा तं प्रत्यभाषत
rudrastvaṃ deva nāmāsi sa ityukto 'rudatpunaḥ / kiṃ rodiṣi kumāreti brahmā taṃ pratyabhāṣata
Brahmā said, “O deva, your name is Rudra.” When so addressed, he wept again. Brahmā then asked, “Why do you weep, O child?”