महाभारतः mahābhārataḥ - book-13, chapter-16, verse-18

तनवस्ते स्मृतास्तिस्रः पुराणज्ञैः सुरर्षिभिः ।
अधिपौरुषमध्यात्ममधिभूताधिदैवतम् ।
अधिलोक्याधिविज्ञानमधियज्ञस्त्वमेव हि ॥१८॥

18. tanavaste smṛtāstisraḥ purāṇajñaiḥ surarṣibhiḥ ,
adhipauruṣamadhyātmamadhibhūtādhidaivatam ,
adhilokyādhivijñānamadhiyajñastvameva hi.

18. tanavaḥ te smṛtāḥ tisraḥ purāṇajñaiḥ
surarṣibhiḥ adhipauruṣam adhyātmam
adhibhūtādhidaivatam adhilokya
adhivijñānam adhiyajñaḥ tvam eva hi

18. tvam eva hi adhipauruṣam adhyātmam
adhibhūtādhidaivatam adhilokya
adhivijñānam adhiyajñaḥ te tisraḥ
tanavaḥ purāṇajñaiḥ surarṣibhiḥ smṛtāḥ

18. Indeed, your three forms are remembered by the knowers of the Purāṇas and by the divine sages. You are verily that which pertains to the supreme cosmic person (puruṣa), to the individual self (ātman), to all beings, to the deities, to the worlds, to all knowledge, and to the Vedic ritual (yajña).

Words meanings summery:

• तनवः (tanavaḥ) - forms, bodies, manifestations

• ते (te) - your, of you

• स्मृताः (smṛtāḥ) - remembered, considered

• तिस्रः (tisraḥ) - three

• पुराणज्ञैः (purāṇajñaiḥ) - by those who know the Purāṇas

• सुरर्षिभिः (surarṣibhiḥ) - by the divine sages

• अधिपौरुषम् (adhipauruṣam) - relating to the supreme cosmic person (puruṣa)

• अध्यात्मम् (adhyātmam) - relating to the self (ātman)

• अधिभूताधिदैवतम् (adhibhūtādhidaivatam) - relating to beings and deities

• अधिलोक्य (adhilokya) - relating to the worlds

• अधिविज्ञानम् (adhivijñānam) - relating to knowledge

• अधियज्ञः (adhiyajñaḥ) - relating to the Vedic ritual (yajña)

• त्वम् (tvam) - you

• एव (eva) - only, indeed, just

• हि (hi) - indeed, because, for

Words meanings and morphology

तनवः (tanavaḥ) - forms, bodies, manifestations

(noun)

Nominative, feminine, plural of tanu

tanu - body, form, manifestation, person

ते (te) - your, of you

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Note: Dative/genitive singular of yuṣmad. Here possessive, 'your'.

स्मृताः (smṛtāḥ) - remembered, considered

(adjective)

Nominative, feminine, plural of smṛta

smṛta - remembered, recollected, known

Past Passive Participle

Root: smṛ (class 1)

Note: Agrees with `tanavaḥ`.

तिस्रः (tisraḥ) - three

(adjective)

Nominative, feminine, plural of tri

tri - three

Note: Feminine nominative plural, agrees with `tanavaḥ`.

पुराणज्ञैः (purāṇajñaiḥ) - by those who know the Purāṇas

(noun)

Instrumental, masculine, plural of purāṇajña

purāṇajña - knower of Purāṇas

Compound type : tatpurusha (purāṇa+jña)

• purāṇa – ancient tale, old, Purana
  noun (neuter)
• jña – knowing, wise
  adjective
  Derived from √jñā 'to know'
  Root: jñā (class 9)

सुरर्षिभिः (surarṣibhiḥ) - by the divine sages

(noun)

Instrumental, masculine, plural of surarṣi

surarṣi - divine sage, celestial seer

Compound type : karmadharaya (sura+ṛṣi)

• sura – god, deity
  noun (masculine)
• ṛṣi – sage, seer
  noun (masculine)

अधिपौरुषम् (adhipauruṣam) - relating to the supreme cosmic person (puruṣa)

(noun)

Nominative, neuter, singular of adhipauruṣa

adhipauruṣa - pertaining to the supreme person, relating to puruṣa

Compound type : avyayibhava (adhi+puruṣa)

• adhi – upon, concerning, relating to
  indeclinable
• puruṣa – person, man, male, the Cosmic Person
  noun (masculine)

अध्यात्मम् (adhyātmam) - relating to the self (ātman)

(noun)

Nominative, neuter, singular of adhyātma

adhyātma - pertaining to the self, spiritual, relating to the ātman

Compound type : avyayibhava (adhi+ātman)

• adhi – upon, concerning, relating to
  indeclinable
• ātman – self, soul, spirit
  noun (masculine)

अधिभूताधिदैवतम् (adhibhūtādhidaivatam) - relating to beings and deities

(noun)

Nominative, neuter, singular of adhibhūtādhidaivata

adhibhūtādhidaivata - pertaining to beings and deities

Compound type : dvandva (adhibhūta+adhidaivata)

• adhibhūta – pertaining to beings/elements
  noun (neuter)
• adhidaivata – pertaining to deities
  noun (neuter)

अधिलोक्य (adhilokya) - relating to the worlds

(noun)

Nominative, neuter, singular of adhilokya

adhilokya - pertaining to the worlds

Compound type : avyayibhava (adhi+loka)

• adhi – upon, concerning, relating to
  indeclinable
• loka – world, realm, people
  noun (masculine)

Note: Appears to be a nominalized neuter used predicatively.

अधिविज्ञानम् (adhivijñānam) - relating to knowledge

(noun)

Nominative, neuter, singular of adhivijñāna

adhivijñāna - pertaining to knowledge

Compound type : avyayibhava (adhi+vijñāna)

• adhi – upon, concerning, relating to
  indeclinable
• vijñāna – knowledge, understanding
  noun (neuter)

अधियज्ञः (adhiyajñaḥ) - relating to the Vedic ritual (yajña)

(noun)

Nominative, masculine, singular of adhiyajña

adhiyajña - pertaining to the Vedic ritual

Compound type : avyayibhava (adhi+yajña)

• adhi – upon, concerning, relating to
  indeclinable
• yajña – Vedic ritual, sacrifice, worship
  noun (masculine)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

एव (eva) - only, indeed, just

(indeclinable)

हि (hi) - indeed, because, for

(indeclinable)