athavā tadananyagater iti / tasya vyavahārakālabhāvinaḥ śabdasya, saṅketakāladṛṣṭācchabdādananyagater avyatirekaniścayāt /
Or [it can be explained] thus: "because of its non-difference" - because of the determination of non-difference of that word existing at the time of usage from the word seen at the time of convention.