ayaṃ ca vaktṛtvākhyo hetuḥ yasya jñeyaprameyatvavastusattvādilakṣaṇā ityatrādiśabdenākṣipta eveti
And this reason called "speakership" is indeed implied by the term "ādi" in [the phrase] "that which has the characteristics of being knowable, cognizable, real existence, etc."