मज्जायाः पङ्क्तिरुत्पन्ना बृहती प्राणतो ऽभवत् ॥ ४६ ॥
majjayah-from the bone marrow; paṅktih-the particular type of verse; utpanna-became manifested; brhati-another type of verse; pranatah-out of the life breathing; abhavat-generated.
The art of writing verse, paṅkti, became manifested from the bone marrow, and that of brhati, another type of verse, was generated from the life-breath of the lord of the living entities.