महाभारतः mahābhārataḥ - book-12, chapter-146, verse-3

आसीद्राजा महावीर्यः पारिक्षिज्जनमेजयः ।
अबुद्धिपूर्वं ब्रह्महत्या तमागच्छन्महीपतिम् ॥३॥

3. āsīdrājā mahāvīryaḥ pārikṣijjanamejayaḥ ,
abuddhipūrvaṁ brahmahatyā tamāgacchanmahīpatim.

3. āsīt rājā mahāvīryaḥ pārikṣit janamejayaḥ
abuddhipūrvaṃ brahmahatyā tam āgacchat mahīpatim

3. mahāvīryaḥ pārikṣit rājā janamejayaḥ āsīt.
abuddhipūrvaṃ brahmahatyā tam mahīpatim āgacchat.

3. There was a greatly valorous king, Janamejaya, the son of Parikshit. The sin of killing a Brahmin (brahmahatyā) unintentionally befell that monarch.

Words meanings summery:

• आसीत् (āsīt) - was, existed

• राजा (rājā) - king, ruler

• महावीर्यः (mahāvīryaḥ) - very mighty, greatly valorous

• पारिक्षित् (pārikṣit) - son of Parikshit, belonging to Parikshit

• जनमेजयः (janamejayaḥ) - King Janamejaya, son of Parikshit (Janamejaya)

• अबुद्धिपूर्वं (abuddhipūrvaṁ) - unintentionally, without prior thought

• ब्रह्महत्या (brahmahatyā) - the sin of killing a Brahmin, Brahmanicide

• तम् (tam) - that king (Janamejaya) (him, that)

• आगच्छत् (āgacchat) - befell (came, approached)

• महीपतिम् (mahīpatim) - king, ruler of the earth

Words meanings and morphology

आसीत् (āsīt) - was, existed

(verb)

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

Root: as (class 2)

राजा (rājā) - king, ruler

(noun)

Nominative, masculine, singular of rājan

rājan - king, ruler, prince

Note: Subject of āsīt, along with Janamejaya.

महावीर्यः (mahāvīryaḥ) - very mighty, greatly valorous

(adjective)

Nominative, masculine, singular of mahāvīrya

mahāvīrya - greatly powerful, highly energetic, very valorous

Compound type : bahuvrīhi (mahā+vīrya)

• mahā – great, large, mighty
  adjective
• vīrya – heroism, valor, strength, energy
  noun (neuter)

Note: Agrees with rājā and Janamejaya.

पारिक्षित् (pārikṣit) - son of Parikshit, belonging to Parikshit

(adjective)

Nominative, masculine, singular of pārikṣit

pārikṣit - descendant of Parikshit, related to Parikshit

Taddhita affix (aṇ) from Parikṣit, indicating 'son of' or 'belonging to'

Note: Agrees with Janamejaya, indicating his lineage.

जनमेजयः (janamejayaḥ) - King Janamejaya, son of Parikshit (Janamejaya)

(proper noun)

Nominative, masculine, singular of janamejaya

janamejaya - Janamejaya (proper name, a king, son of Parikshit)

Compound type : bahuvrīhi (jana+ejaya)

• jana – people, person, creature
  noun (masculine)
  Root: jan (class 4)
• ejaya – causing to tremble, shaking
  adjective (masculine)
  causative present participle
  Causative of 'ej' (to tremble)
  Root: ej (class 1)

Note: Subject of āsīt.

अबुद्धिपूर्वं (abuddhipūrvaṁ) - unintentionally, without prior thought

(indeclinable)

Compound type : bahuvrīhi (a+buddhi+pūrva)

• a – not, non-, un- (negating prefix)
  indeclinable
• buddhi – intellect, understanding, perception
  noun (feminine)
  Root: budh (class 1)
• pūrva – prior, former, preceding
  adjective (masculine)

Note: Used adverbially here, modifying āgacchat.

ब्रह्महत्या (brahmahatyā) - the sin of killing a Brahmin, Brahmanicide

(noun)

Nominative, feminine, singular of brahmahatyā

brahmahatyā - the killing of a Brahmin (a grave sin), Brahmanicide

Compound type : tatpurusha (brahman+hatyā)

• brahman – Brahmin, priest, the ultimate reality (brahman)
  noun (masculine)
  Root: bṛh (class 1)
• hatyā – killing, murder, slaughter
  noun (feminine)
  Derived from root 'han' (to strike, kill)
  Root: han (class 2)

Note: Subject of āgacchat.

तम् (tam) - that king (Janamejaya) (him, that)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, it

Note: Refers to the king Janamejaya, object of āgacchat.

आगच्छत् (āgacchat) - befell (came, approached)

(verb)

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

Prefix: ā

Root: gam (class 1)

Note: Prefix 'ā-' means 'towards' or 'to come'.

महीपतिम् (mahīpatim) - king, ruler of the earth

(noun)

Accusative, masculine, singular of mahīpati

mahīpati - king, ruler, lord of the earth

Compound type : tatpurusha (mahī+pati)

• mahī – earth, ground
  noun (feminine)
• pati – lord, master, husband, ruler
  noun (masculine)

Note: Appositive to 'tam', referring to Janamejaya.