महाभारतः mahābhārataḥ - book-3, chapter-194, verse-9

प्रभवः सर्वभूतानां शाश्वतः पुरुषोऽव्ययः ।
सुष्वाप भगवान्विष्णुरप्शय्यामेक एव ह ।
नागस्य भोगे महति शेषस्यामिततेजसः ॥९॥

9. prabhavaḥ sarvabhūtānāṁ śāśvataḥ puruṣo'vyayaḥ ,
suṣvāpa bhagavānviṣṇurapśayyāmeka eva ha ,
nāgasya bhoge mahati śeṣasyāmitatejasaḥ.

9. prabhavaḥ sarvabhūtānām śāśvataḥ
puruṣaḥ avyayaḥ suṣvāpa bhagavān
viṣṇuḥ apśayyām ekaḥ eva ha nāgasya
bhoge mahati śeṣasya amitatejasaḥ

9. The eternal, imperishable supreme cosmic person (puruṣa), the source of all beings, Lord Viṣṇu (bhagavān viṣṇu), slept alone on a bed of water (apśayyā), upon the vast body of the serpent Śeṣa, who possesses immeasurable splendor.

Words meanings summery:

• प्रभवः (prabhavaḥ) - origin, source, generator

• सर्वभूतानाम् (sarvabhūtānām) - of all beings/creatures

• शाश्वतः (śāśvataḥ) - eternal, perpetual, everlasting

• पुरुषः (puruṣaḥ) - the supreme cosmic person, man, being

• अव्ययः (avyayaḥ) - imperishable, undiminishing

• सुष्वाप (suṣvāpa) - he slept

• भगवान् (bhagavān) - the venerable Lord

• विष्णुः (viṣṇuḥ) - Viṣṇu (deity)

• अप्शय्याम् (apśayyām) - on a bed of water

• एकः (ekaḥ) - one, alone

• एव (eva) - indeed, only, certainly

• ह (ha) - indeed, verily (emphatic particle)

• नागस्य (nāgasya) - referring to the cosmic serpent Śeṣa (of the serpent)

• भोगे (bhoge) - on the body or hood of the serpent (on the body, on the hood, enjoyment)

• महति (mahati) - great, huge

• शेषस्य (śeṣasya) - of Śeṣa (the serpent)

• अमिततेजसः (amitatejasaḥ) - of immeasurable splendor/power

Words meanings and morphology

प्रभवः (prabhavaḥ) - origin, source, generator

(noun)

Nominative, masculine, singular of prabhava

prabhava - origin, source, generator

from pra + bhū (to be, arise)

Prefix: pra

Root: bhū (class 1)

सर्वभूतानाम् (sarvabhūtānām) - of all beings/creatures

(noun)

Genitive, neuter, plural of sarvabhūta

sarvabhūta - all beings, all creatures

Compound type : karmadhāraya (sarva+bhūta)

• sarva – all, every
  pronoun (neuter)
• bhūta – being, creature, element
  noun (neuter)
  Past Passive Participle
  from root bhū (to be, exist)
  Root: bhū (class 1)

शाश्वतः (śāśvataḥ) - eternal, perpetual, everlasting

(adjective)

Nominative, masculine, singular of śāśvata

śāśvata - eternal, perpetual, everlasting

Root: śaśvat

Note: agrees with puruṣaḥ

पुरुषः (puruṣaḥ) - the supreme cosmic person, man, being

(noun)

Nominative, masculine, singular of puruṣa

puruṣa - man, person, soul, spirit, the supreme cosmic person (puruṣa)

Root: pṛ (class 9)

अव्ययः (avyayaḥ) - imperishable, undiminishing

(adjective)

Nominative, masculine, singular of avyaya

avyaya - imperishable, undiminishing

from a (negation) + vyaya (expenditure, decay)

Compound type : nañ-tatpuruṣa (a+vyaya)

• a – not, non-
  indeclinable
• vyaya – expenditure, decay, loss
  noun (masculine)
  from vi + i (to go)
  Prefix: vi
  Root: i (class 2)

Note: agrees with puruṣaḥ

सुष्वाप (suṣvāpa) - he slept

(verb)

3rd person , singular, active, past perfect (lit) of svap

Perfect Active

root svap, 2nd class, perfect tense, 3rd person singular; s->ṣ after u-sound, due to internal sandhi (ṣutva)

Root: svap (class 2)

भगवान् (bhagavān) - the venerable Lord

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - fortunate, venerable, divine

possessive suffix -vat

Root: bhaj (class 1)

Note: agrees with viṣṇuḥ

विष्णुः (viṣṇuḥ) - Viṣṇu (deity)

(proper noun)

Nominative, masculine, singular of viṣṇu

viṣṇu - Viṣṇu (a principal Hindu deity)

Root: viś (class 6)

अप्शय्याम् (apśayyām) - on a bed of water

(noun)

Accusative, feminine, singular of apśayyā

apśayyā - a bed of water, sleeping on water

Compound type : tatpuruṣa (ap+śayyā)

• ap – water
  noun (feminine)
• śayyā – bed, couch, lying down
  noun (feminine)
  from root śī (to lie down)
  Root: śī (class 2)

Note: accusative used adverbially to indicate location or manner

एकः (ekaḥ) - one, alone

(numeral)

Note: agrees with bhagavān viṣṇuḥ

एव (eva) - indeed, only, certainly

(indeclinable)

Note: Emphatic particle, 'alone indeed'

ह (ha) - indeed, verily (emphatic particle)

(indeclinable)

Note: Emphatic particle, often used to recall a known fact or emphasize

नागस्य (nāgasya) - referring to the cosmic serpent Śeṣa (of the serpent)

(noun)

Genitive, masculine, singular of nāga

nāga - serpent, snake, Nāga (mythical serpentine being)

Root: nag (class 1)

Note: refers to Śeṣa

भोगे (bhoge) - on the body or hood of the serpent (on the body, on the hood, enjoyment)

(noun)

Locative, masculine, singular of bhoga

bhoga - enjoyment, experience, pleasure, body (of a snake), hood (of a snake)

from root bhuj (to enjoy, possess)

Root: bhuj (class 7)

महति (mahati) - great, huge

(adjective)

Locative, masculine, singular of mahat

mahat - great, large, mighty

Root: mah (class 1)

Note: agrees with bhoge

शेषस्य (śeṣasya) - of Śeṣa (the serpent)

(proper noun)

Genitive, masculine, singular of śeṣa

śeṣa - remainder, residue, Śeṣa (the cosmic serpent)

from root śiṣ (to remain)

Root: śiṣ (class 7)

अमिततेजसः (amitatejasaḥ) - of immeasurable splendor/power

(adjective)

Genitive, masculine, singular of amitatejas

amitatejas - of immeasurable splendor, having endless power

Compound type : bahuvrīhi (amita+tejas)

• amita – immeasurable, boundless
  adjective (neuter)
  Past Passive Participle
  from a (negation) + mita (measured); root mā (to measure)
  Prefix: a
  Root: mā (class 2)
• tejas – splendor, radiance, power, energy
  noun (neuter)
  Root: tij (class 6)

Note: agrees with śeṣasya