Avatarika
अथ खलु य उद्गीथ इत्यादि प्रणवोद्गीथैकत्वदर्शनमुक्त-म् , तस्यैतत्फलमुच्यते—
In plain words
The realization of the oneness of the praṇava and the udgītha, starting with 'Now indeed, what is the udgītha,' has been presented; its result is now being explained.
Close to the Sanskrit
Now, the vision of the identity of praṇava and udgītha, beginning with 'Now indeed, what is the udgītha', has been stated; the fruit of that is now being declared.