金光明經文句記 1.135

1.135

二、「大」下，約智行釋。雖但云來，已具如義，以約福智來嚴法身，所嚴即如也。此是《大經．梵行品》中解如來名。

Second, from "The Great" below, interpreting in terms of wisdom and practice. Although it only mentions "come", it already contains the meaning of "thusness", because by using merit and wisdom to come and adorn the Dharma-body, that which is adorned is precisely thusness. This is the explanation of the name Tathāgata in the "Chapter on Pure Practices" of the Mahāparinirvāṇa Sūtra.