महाभारतः mahābhārataḥ - book-13, chapter-50, verse-9

अन्तर्जले स सुष्वाप काष्ठभूतो महामुनिः ।
ततश्चोर्ध्वस्थितो धीमानभवद्भरतर्षभ ॥९॥

9. antarjale sa suṣvāpa kāṣṭhabhūto mahāmuniḥ ,
tataścordhvasthito dhīmānabhavadbharatarṣabha.

9. antarjale sa suṣvāpa kāṣṭhabhūtaḥ mahāmuniḥ tataḥ
ca ūrdhvasthitaḥ dhīmān abhavat bharatarṣabha

9. bharatarṣabha saḥ mahāmuniḥ antarjale kāṣṭhabhūtaḥ
suṣvāpa ca tataḥ dhīmān ūrdhvasthitaḥ abhavat

9. O best of Bharatas, that great sage (muni) slept underwater, remaining motionless like a log of wood. Then, the wise one rose and stood upright.

Words meanings summery:

• अन्तर्जले (antarjale) - in the water, underwater

• स (sa) - he

• सुष्वाप (suṣvāpa) - he slept

• काष्ठभूतः (kāṣṭhabhūtaḥ) - having become like a log of wood, motionless like wood

• महामुनिः (mahāmuniḥ) - the great sage (muni)

• ततः (tataḥ) - then, thence, from that

• च (ca) - and

• ऊर्ध्वस्थितः (ūrdhvasthitaḥ) - standing upright, standing above

• धीमान् (dhīmān) - intelligent, wise

• अभवत् (abhavat) - he became

• भरतर्षभ (bharatarṣabha) - O best of Bharatas

Words meanings and morphology

अन्तर्जले (antarjale) - in the water, underwater

(noun)

Locative, neuter, singular of antarjala

antarjala - underwater, within water

Compound type : avyayībhāva (antar+jala)

• antar – within, inside
  indeclinable
• jala – water
  noun (neuter)

स (sa) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he

सुष्वाप (suṣvāpa) - he slept

(verb)

3rd person , singular, active, perfect (lit) of suṣvāpa

Root: svap (class 2)

काष्ठभूतः (kāṣṭhabhūtaḥ) - having become like a log of wood, motionless like wood

(adjective)

Nominative, masculine, singular of kāṣṭhabhūta

kāṣṭhabhūta - having become wood, like a log of wood

Compound type : upamāna karmadhāraya (kāṣṭha+bhūta)

• kāṣṭha – wood, log
  noun (neuter)
• bhūta – become, been
  participle (masculine)
  Past Passive Participle
  Root: bhū (class 1)

महामुनिः (mahāmuniḥ) - the great sage (muni)

(noun)

Nominative, masculine, singular of mahāmuni

mahāmuni - great sage (muni)

Compound type : karmadhāraya (mahā+muni)

• mahā – great, large
  adjective
• muni – sage, ascetic
  noun (masculine)

ततः (tataḥ) - then, thence, from that

(indeclinable)

च (ca) - and

(indeclinable)

ऊर्ध्वस्थितः (ūrdhvasthitaḥ) - standing upright, standing above

(adjective)

Nominative, masculine, singular of ūrdhvasthita

ūrdhvasthita - standing upright, situated above

Compound type : avyayībhāva (ūrdhva+sthita)

• ūrdhva – upward, high
  adjective (masculine)
• sthita – stood, situated
  participle (masculine)
  Past Passive Participle
  Root: sthā (class 1)

धीमान् (dhīmān) - intelligent, wise

(adjective)

Nominative, masculine, singular of dhīmat

dhīmat - intelligent, wise, thoughtful

अभवत् (abhavat) - he became

(verb)

3rd person , singular, active, imperfect (laṅ) of abhavat

Root: bhū (class 1)

भरतर्षभ (bharatarṣabha) - O best of Bharatas

(proper noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - bull among Bharatas, best of Bharatas

Compound type : ṣaṣṭhī tatpuruṣa (bharata+ṛṣabha)

• bharata – Bharata (name of a king/lineage)
  proper noun (masculine)
• ṛṣabha – bull, best, chief
  noun (masculine)