Bhagavad Gita, Chapter 11, Verse 38

त्वमादिदेवः पुरुषः पुराण- स्त्वमस्य विश्वस्य परं निधानम् । वेत्तासि वेद्यं च परं च धाम त्वया ततं विश्वमनन्तरूप

tvamādidevaḥ puruṣaḥ purāṇa- stvamasya viśvasya paraṃ nidhānam | vettāsi vedyaṃ ca paraṃ ca dhāma tvayā tataṃ viśvamanantarūpa

Translation

Thou art the Primal God, the Ancient Puruṣa; Thou art the Supreme Abode of all this. Thou art the Knower and the Knowable and the Supreme Abode. By Thee is all pervaded, O Being of infinite forms.

— Alladi Mahadeva Sastri

Word meanings

tvam
Thou
ādidevaḥ
first God
puruṣaḥ
Man
purāṇaḥ
ancient
tvam
thou
asya
(of) this
viśvasya
of world
param
highest
nidhānam
treasure-house
vettā
knower
asi
(thou) art
vedyam
to be known
ca
and
param
highest
ca
and
dhāma
dwelling
tvayā
by Thee
tatam
spread
viśvam
the universe
anantarūpa
O endless-Formed

Śaṅkarācārya's commentary

Primal God: because Thou art the creator of the Universe. Puruṣa: so called because He lies in the body. Abode: that in which the Universe rests during the Great Pralaya and such other periods. Knower: of all the knowable things. Supreme Abode: of Viṣṇu.