Mahabharata 3.99.9

तं शक्रं कश्मलाविष्टं दृष्ट्वा विष्णुः सनातनःस्वतेजो व्यदधाच्छक्रे बलमस्य विवर्धयन्

taṃ śakraṃ kaśmalāviṣṭaṃ dṛṣṭvā viṣṇuḥ sanātanaḥsvatejo vyadadhācchakre balamasya vivardhayan

Our plain-language meaning of this verse is waiting for scholar review.