महाभारतः mahābhārataḥ - book-6, chapter-32, verse-15

स्वयमेवात्मनात्मानं वेत्थ त्वं पुरुषोत्तम ।
भूतभावन भूतेश देवदेव जगत्पते ॥१५॥

15. svayamevātmanātmānaṁ vettha tvaṁ puruṣottama ,
bhūtabhāvana bhūteśa devadeva jagatpate.

15. svayam eva ātmanā ātmānam vettha tvam puruṣottama
bhūtabhāvana bhūteśa devadeva jagatpate

15. puruṣottama bhūtabhāvana bhūteśa devadeva
jagatpate tvam svayam eva ātmanā ātmānam vettha

15. O Supreme Person (puruṣa), O origin of all beings, O Lord of all beings, O God of gods, O Lord of the universe, You alone know your Self (ātman) by your Self (ātman).

Words meanings summery:

• स्वयम् (svayam) - oneself, by oneself, personally

• एव (eva) - indeed, only, alone, just

• आत्मना (ātmanā) - by the self, by oneself, by the soul

• आत्मानम् (ātmānam) - the self, the soul, oneself

• वेत्थ (vettha) - you know

• त्वम् (tvam) - you

• पुरुषोत्तम (puruṣottama) - O best of persons, O Supreme Person

• भूतभावन (bhūtabhāvana) - O creator of beings

• भूतेश (bhūteśa) - O lord of beings

• देवदेव (devadeva) - O God of gods

• जगत्पते (jagatpate) - O lord of the universe

Words meanings and morphology

स्वयम् (svayam) - oneself, by oneself, personally

(indeclinable)

एव (eva) - indeed, only, alone, just

(indeclinable)

आत्मना (ātmanā) - by the self, by oneself, by the soul

(noun)

Instrumental, masculine, singular of ātman

ātman - self, soul, spirit, essence

आत्मानम् (ātmānam) - the self, the soul, oneself

(noun)

Accusative, masculine, singular of ātman

ātman - self, soul, spirit, essence

वेत्थ (vettha) - you know

(verb)

2nd person , singular, active, present (laṭ) of vid

Present Active Indicative

From root vid (to know), Present tense, active voice

Root: vid (class 2)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

पुरुषोत्तम (puruṣottama) - O best of persons, O Supreme Person

(noun)

Vocative, masculine, singular of puruṣottama

puruṣottama - the best of men, the supreme person

Compound type : tatpuruṣa (puruṣa+uttama)

• puruṣa – man, person, spiritual being
  noun (masculine)
• uttama – highest, best, supreme
  adjective (masculine)

भूतभावन (bhūtabhāvana) - O creator of beings

(noun)

Vocative, masculine, singular of bhūtabhāvana

bhūtabhāvana - creator of beings

Compound type : tatpuruṣa (bhūta+bhāvana)

• bhūta – being, creature, past
  noun (neuter)
  Past Passive Participle
  From root bhū (to be), Past Passive Participle
  Root: bhū (class 1)
• bhāvana – causing to be, creating, producer
  noun (masculine)
  Root: bhū (class 1)

भूतेश (bhūteśa) - O lord of beings

(noun)

Vocative, masculine, singular of bhūteśa

bhūteśa - lord of beings

Compound type : tatpuruṣa (bhūta+īśa)

• bhūta – being, creature, element
  noun (neuter)
  Past Passive Participle
  From root bhū (to be), Past Passive Participle
  Root: bhū (class 1)
• īśa – lord, master, ruler
  noun (masculine)
  Root: īś (class 2)

देवदेव (devadeva) - O God of gods

(noun)

Vocative, masculine, singular of devadeva

devadeva - god of gods

Compound type : tatpuruṣa (deva+deva)

• deva – god, deity
  noun (masculine)
  Root: div (class 4)
• deva – god, deity
  noun (masculine)
  Root: div (class 4)

जगत्पते (jagatpate) - O lord of the universe

(noun)

Vocative, masculine, singular of jagatpati

jagatpati - lord of the world/universe

Compound type : tatpuruṣa (jagat+pati)

• jagat – world, universe
  noun (neuter)
  Present Active Participle
  From root gam (to go) with reduplication, used as a noun
  Root: gam (class 1)
• pati – master, lord, husband
  noun (masculine)
  Root: pā (class 2)