। ॥
In plain words
My king of gurus taught me the knowledge made of all the letters from a to kṣa, she whose bow is the sweetest cane, nearest of all, seated on the Kāmapīṭha.
Word for word
Taught my guru-king the vidyā made of letters from a to kṣa, whose bow-staff is sweetest, nearest indeed, gone to the Kāmapīṭha.