The works of Ādi Śaṅkarācārya

Bṛhadāraṇyakopaniṣadbhāṣyam

Bhashya

Bhashya

यस्मादोमित्येतदक्षरमिदं सर्वमिति, यदिदमर्थजातमभिधा-नाभिधेयभूतं तस्याभिधानाव्यतिरेकादभिधानभेदस्य च

In plain words

Om, this one syllable, is everything there is. Every object you can name is nothing apart from its name, and no name is finally apart from Om — and neither is the variety among the names themselves—

Close to the Sanskrit

Because [it is said] 'Om — this syllable — is this whole world', and because this entire mass of named objects, being of the nature of signifier and signified, does not differ from that signifier, and [because] of the distinction of signifiers—