Śrīmad-Bhāgavatam · Text 12.8.14
Who is speaking and story frame
तस्यैवं युञ्जतश्चित्तं महायोगेन योगिन: ।
व्यतीयाय महान् कालो मन्वन्तरषडात्मक: ॥ १४ ॥
tasyaivaṁ yuñjataś cittaṁ
mahā-yogena yoginaḥ
vyatīyāya mahān kālo
manvantara-ṣaḍ-ātmakaḥ
While the mystic sage thus concentrated his mind by powerful yoga practice, the tremendous period of six lifetimes of Manu passed by.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.
From Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.