Verse 3.5.12

Sanskrit text, transliteration and word-by-word meaning:

सम्प्रलीनश् च षट्-पूर्णा
यस्मिन् छब्दे महात्मानि
परिपूर्णतमे साक्षात्
तेन कृष्णः प्रकीर्तितः

sampralīnaś ca ṣaṭ-pūrṇā
yasmin chabde mahātmāni
paripūrṇatame sākṣāt
tena kṛṣṇaḥ prakīrtitaḥ

sampralīnaḥ—entered; ca—and; ṣaṭ—six; pūrṇā—full; yasmin—in which; chabde—sopund; mahātmāni—the Supreme Personality of Godhead; paripūrṇatame—perfect and complete; sākṣāt—directky; tena—by that; kṛṣṇaḥ—Kṛṣṇa; prakīrtitaḥ—is called.

English translation of verse 3.5.12:

These six letters combine to form the name of the original Supreme Personality of Godhead, who is perfect and complete. That is why this boy is named Kṛṣṇa.