kṛṣṇaḥ tu - in the meantime; gṛha-kṛtyeṣu - in engagement in household affairs; vyagrāyām - very busy; mātari - when His mother; prabhuḥ - the Lord; adrākṣīt - observed; arjunau - the twin arjuna trees; pūrvam - before Him; guhyakau - which in a former millennium had been demigods; dhanada-ātmajau - the sons of Kuvera, the treasurer of the demigods.

While mother Yaśodā was very busy with household affairs, the Supreme Lord, Kṛṣṇa, observed twin trees known as yamala-arjuna, which in a former millennium had been the demigod sons of Kuvera.