Valmiki Ramayana Bala Kanda Sarga 52 Shloka 20
Original Shlokaएवमुक्तो महातेजा वसिष्ठो जपतां वर:। आजुहाव तत: प्रीत: कल्माषीं धूतकल्मष:।।1.52.20।।
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महातेजा: highly splendrous, जपतां वर: greatest among those who perform religious meditation, धूतकल्मष: free from sins, वसिष्ठ: Vasishta, प्रीत: pleased, तत: thereafter, कल्माषीम् the speckled cow, आजुहाव called.
Vasishta who was highly brilliant the greatest among those who meditate (on Brahman) and free from sins was pleased. Thereafter he called the speckled cow (Kamadhenu):