महाभारतः mahābhārataḥ - book-12, chapter-113, verse-4

जातिस्मरो महानुष्ट्रः प्राजापत्ययुगोद्भवः ।
तपः सुमहदातिष्ठदरण्ये संशितव्रतः ॥४॥

4. jātismaro mahānuṣṭraḥ prājāpatyayugodbhavaḥ ,
tapaḥ sumahadātiṣṭhadaraṇye saṁśitavrataḥ.

4. jātismaraḥ mahān uṣṭraḥ prājāpatyayugodbhavaḥ
tapaḥ sumahat ātiṣṭhat araṇye saṃśitavrataḥ

4. jātismaraḥ mahān uṣṭraḥ prājāpatyayugodbhavaḥ
saṃśitavrataḥ araṇye sumahat tapaḥ ātiṣṭhat

4. A great camel, remembering its previous births (jātismara), born in the age of Prajapati, performed very great austerity (tapas) in the forest, having firm vows.

Words meanings summery:

• जातिस्मरः (jātismaraḥ) - remembering previous births

• महान् (mahān) - great, large, mighty

• उष्ट्रः (uṣṭraḥ) - camel

• प्राजापत्ययुगोद्भवः (prājāpatyayugodbhavaḥ) - born in the age of Prajapati

• तपः (tapaḥ) - austerity, penance

• सुमहत् (sumahat) - very great, very mighty

• आतिष्ठत् (ātiṣṭhat) - performed, undertook, practiced

• अरण्ये (araṇye) - in the forest

• संशितव्रतः (saṁśitavrataḥ) - with firm vows, whose vows are sharpened

Words meanings and morphology

जातिस्मरः (jātismaraḥ) - remembering previous births

(adjective)

Nominative, masculine, singular of jātismara

jātismara - remembering one's former birth or state of existence; a jātismara (one who remembers past lives)

Compound type : upapada tatpuruṣa (jāti+smara)

• jāti – birth, origin, species
  noun (feminine)
  Root: jan (class 4)
• smara – remembering, recollecting
  adjective
  Agent noun/adjective from root smṛ
  Root: smṛ (class 1)

महान् (mahān) - great, large, mighty

(adjective)

Nominative, masculine, singular of mahat

mahat - great, large, vast, mighty

उष्ट्रः (uṣṭraḥ) - camel

(noun)

Nominative, masculine, singular of uṣṭra

uṣṭra - camel

प्राजापत्ययुगोद्भवः (prājāpatyayugodbhavaḥ) - born in the age of Prajapati

(adjective)

Nominative, masculine, singular of prājāpatyayugodbhava

prājāpatyayugodbhava - born in the age of Prajapati

Compound type : tatpuruṣa (prājāpatya+yuga+udbhava)

• prājāpatya – relating to Prajapati
  adjective (neuter)
  From Prajāpati + -ya suffix
• yuga – age, era, eon
  noun (neuter)
• udbhava – origin, birth, production; born, arisen
  adjective (masculine)
  From ud-bhū
  Prefix: ud
  Root: bhū (class 1)

तपः (tapaḥ) - austerity, penance

(noun)

Accusative, neuter, singular of tapas

tapas - heat, warmth; spiritual fervor, asceticism, austerity, penance (tapas)

Root: tap (class 1)

सुमहत् (sumahat) - very great, very mighty

(adjective)

Accusative, neuter, singular of sumahat

sumahat - very great, very powerful, excellent

Compound type : karmadhāraya (su+mahat)

• su – good, well, very, excellent
  indeclinable
  Prefix/Adverb
• mahat – great, large, vast, mighty
  adjective (neuter)

आतिष्ठत् (ātiṣṭhat) - performed, undertook, practiced

(verb)

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

Imperfect tense

Root sthā, class 1, Imperfect 3rd person singular

Prefix: ā

Root: sthā (class 1)

अरण्ये (araṇye) - in the forest

(noun)

Locative, neuter, singular of araṇya

araṇya - forest, wilderness

संशितव्रतः (saṁśitavrataḥ) - with firm vows, whose vows are sharpened

(adjective)

Nominative, masculine, singular of saṃśitavrata

saṁśitavrata - whose vows are sharpened/firm, of firm resolve

Compound type : bahuvrīhi (sam+śita+vrata)

• sam – together, with, completely
  indeclinable
  Prefix
• śita – sharpened, keen, firm
  adjective
  Past Passive Participle
  From root śo (to sharpen)
  Root: śo (class 4)
• vrata – vow, sacred observance, religious practice
  noun (neuter)