महाभारतः mahābhārataḥ - book-3, chapter-80, verse-74

ततो गच्छेत धर्मज्ञ हिमवत्सुतमर्बुदम् ।
पृथिव्यां यत्र वै छिद्रं पूर्वमासीद्युधिष्ठिर ॥७४॥

74. tato gaccheta dharmajña himavatsutamarbudam ,
pṛthivyāṁ yatra vai chidraṁ pūrvamāsīdyudhiṣṭhira.

74. tataḥ gaccheta dharmajña himavatsutam arbudam
pṛthivyām yatra vai chidram pūrvam āsīt yudhiṣṭhira

74. O Yudhiṣṭhira, O knower of what is right (dharma), one should then go to Arbuda, the son of Himavat, where there was formerly a fissure in the earth.

Words meanings summery:

• ततः (tataḥ) - then, thereafter, from there

• गच्छेत (gaccheta) - one should go, he should go

• धर्मज्ञ (dharmajña) - O knower of what is right (dharma), addressing Yudhiṣṭhira (knower of dharma, righteous person)

• हिमवत्सुतम् (himavatsutam) - to the son of Himavat (the Himalayas)

• अर्बुदम् (arbudam) - to Arbuda (a mountain)

• पृथिव्याम् (pṛthivyām) - on the earth, in the world

• यत्र (yatra) - where, in which place

• वै (vai) - indeed, surely, truly (particle)

• छिद्रम् (chidram) - a hole, an opening, a fissure, a defect

• पूर्वम् (pūrvam) - formerly, previously, before

• आसीत् (āsīt) - was, existed

• युधिष्ठिर (yudhiṣṭhira) - O Yudhiṣṭhira, the eldest Pāṇḍava brother (Yudhiṣṭhira (proper name))

Words meanings and morphology

ततः (tataḥ) - then, thereafter, from there

(indeclinable)

गच्छेत (gaccheta) - one should go, he should go

(verb)

3rd person , singular, active, optative (vidhi liṅ) of gam

Root: gam (class 1)

धर्मज्ञ (dharmajña) - O knower of what is right (dharma), addressing Yudhiṣṭhira (knower of dharma, righteous person)

(adjective)

Vocative, masculine, singular of dharmajña

dharmajña - knower of dharma, righteous, virtuous

Compound type : tatpuruṣa (dharma+jña)

• dharma – constitution, natural law, intrinsic nature, righteousness, duty
  noun (masculine)
• jña – knower, understanding, familiar with
  adjective (masculine)
  Derived from the root jñā (to know)
  Root: jñā (class 9)

हिमवत्सुतम् (himavatsutam) - to the son of Himavat (the Himalayas)

(noun)

Accusative, masculine, singular of himavatsuta

himavatsuta - son of Himavat (the Himalayas)

Compound type : ṣaṣṭhī-tatpuruṣa (himavat+suta)

• himavat – Himavat (the Himalayas, personified as a mountain god)
  proper noun (masculine)
• suta – son, offspring, born
  noun (masculine)
  Past Passive Participle
  Past Passive Participle of the root su (to press out, to generate), used here as a noun meaning 'son'
  Root: su (class 5)

अर्बुदम् (arbudam) - to Arbuda (a mountain)

(proper noun)

Accusative, masculine, singular of arbuda

arbuda - Arbuda (name of a mountain or a serpent deity)

पृथिव्याम् (pṛthivyām) - on the earth, in the world

(noun)

Locative, feminine, singular of pṛthivī

pṛthivī - earth, ground, world

यत्र (yatra) - where, in which place

(indeclinable)

वै (vai) - indeed, surely, truly (particle)

(indeclinable)

छिद्रम् (chidram) - a hole, an opening, a fissure, a defect

(noun)

Nominative, neuter, singular of chidra

chidra - hole, fissure, opening, defect, weak point

पूर्वम् (pūrvam) - formerly, previously, before

(indeclinable)

Note: Adverbial usage

आसीत् (āsīt) - was, existed

(verb)

3rd person , singular, active, past imperfect (laṅ) of as

Root: as (class 2)

युधिष्ठिर (yudhiṣṭhira) - O Yudhiṣṭhira, the eldest Pāṇḍava brother (Yudhiṣṭhira (proper name))

(proper noun)

Vocative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Yudhiṣṭhira (firm in battle, name of the eldest Pāṇḍava brother)