महाभारतः mahābhārataḥ - book-7, chapter-48, verse-50

महाभया वैतरणीव दुस्तरा प्रवर्तिता योधवरैस्तदा नदी ।
उवाह मध्येन रणाजिरं भृशं भयावहा जीवमृतप्रवाहिनी ॥५०॥

50. mahābhayā vaitaraṇīva dustarā; pravartitā yodhavaraistadā nadī ,
uvāha madhyena raṇājiraṁ bhṛśaṁ; bhayāvahā jīvamṛtapravāhinī.

50. mahā-bhayā vaitaraṇī iva dustarā
pravartitā yodha-varaiḥ tadā nadī
uvāha madhyena raṇa-ajiram
bhṛśam bhayā-vahā jīva-mṛta-pravāhinī

50. tadā yodha-varaiḥ pravartitā
mahā-bhayā dustarā vaitaraṇī iva nadī
bhṛśam raṇa-ajiram madhyena
uvāha bhayā-vahā jīva-mṛta-pravāhinī

50. Then, a greatly terrifying river, difficult to cross like the Vaitaraṇī, was set in motion by the best warriors. It flowed intensely through the middle of the battlefield, terrifying and carrying a current of living and dead beings.

Words meanings summery:

• महाभया (mahābhayā) - greatly fearful, extremely terrifying

• वैतरणी (vaitaraṇī) - the Vaitaraṇī river (mythical river of hell)

• इव (iva) - like, as if, as

• दुस्तरा (dustarā) - difficult to cross, impassable

• प्रवर्तिता (pravartitā) - set in motion, caused to flow, commenced

• योधवरैः (yodhavaraiḥ) - by the best warriors, by the chief fighters

• तदा (tadā) - then, at that time

• नदी (nadī) - river

• उवाह (uvāha) - flowed, carried

• मध्येन (madhyena) - through the middle, in the midst

• रणाजिरम् (raṇājiram) - battlefield

• भृशम् (bhṛśam) - intensely, greatly, very much

• भयावहा (bhayāvahā) - terrifying, bringing fear

• जीवमृतप्रवाहिनी (jīvamṛtapravāhinī) - carrying living and dead beings as its current

Words meanings and morphology

महाभया (mahābhayā) - greatly fearful, extremely terrifying

(adjective)

Nominative, feminine, singular of mahābhaya

mahābhaya - great fear, greatly fearful

Compound type : karmadhāraya (mahā+bhaya)

• mahā – great, large, mighty
  adjective
• bhaya – fear, dread, terror
  noun (neuter)

वैतरणी (vaitaraṇī) - the Vaitaraṇī river (mythical river of hell)

(proper noun)

Nominative, feminine, singular of vaitaraṇī

vaitaraṇī - the mythical river of the dead, which souls must cross to reach the underworld

इव (iva) - like, as if, as

(indeclinable)

दुस्तरा (dustarā) - difficult to cross, impassable

(adjective)

Nominative, feminine, singular of dustara

dustara - difficult to cross or pass over, impassable

Derived from 'dus' (difficult) and 'tara' (crossing, from root tṛ).

Compound type : tatpuruṣa (dus+tara)

• dus – bad, difficult, ill
  prefix
• tara – crossing, passing over
  noun (masculine)
  Derived from root tṛ (to cross).
  Root: tṛ (class 1)

प्रवर्तिता (pravartitā) - set in motion, caused to flow, commenced

(adjective)

Nominative, feminine, singular of pravartita

pravartita - set in motion, caused to proceed, commenced, begun

Past Passive Participle

Derived from the verb root vṛt (to turn, exist) with the upasarga pra-.

Prefix: pra

Root: vṛt (class 1)

योधवरैः (yodhavaraiḥ) - by the best warriors, by the chief fighters

(noun)

Instrumental, masculine, plural of yodhavara

yodhavara - best warrior, chief fighter

Compound type : tatpuruṣa (yodha+vara)

• yodha – warrior, fighter
  noun (masculine)
  Derived from root yudh (to fight).
  Root: yudh (class 4)
• vara – best, excellent, superior
  noun (masculine)

तदा (tadā) - then, at that time

(indeclinable)

नदी (nadī) - river

(noun)

Nominative, feminine, singular of nadī

nadī - river, stream

उवाह (uvāha) - flowed, carried

(verb)

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

Perfect Tense (Lit), 3rd Person, Singular, Active Voice. Reduplicated form of the root.

Root: vah (class 1)

मध्येन (madhyena) - through the middle, in the midst

(noun)

Instrumental, neuter, singular of madhya

madhya - middle, center, midst

रणाजिरम् (raṇājiram) - battlefield

(noun)

Accusative, neuter, singular of raṇājira

raṇājira - battlefield, arena of war

Compound type : tatpuruṣa (raṇa+ajira)

• raṇa – battle, war, combat
  noun (masculine)
  Root: raṇ (class 1)
• ajira – courtyard, open space, arena, field
  noun (neuter)

भृशम् (bhṛśam) - intensely, greatly, very much

(indeclinable)

भयावहा (bhayāvahā) - terrifying, bringing fear

(adjective)

Nominative, feminine, singular of bhayāvaha

bhayāvaha - bringing fear, terrifying, dreadful

Compound type : upapada tatpuruṣa (bhaya+āvaha)

• bhaya – fear, dread, terror
  noun (neuter)
• āvaha – bringing, causing, producing
  adjective (masculine)
  agent noun/adjective
  Derived from root vah (to carry) with prefix ā-.
  Prefix: ā
  Root: vah (class 1)

जीवमृतप्रवाहिनी (jīvamṛtapravāhinī) - carrying living and dead beings as its current

(adjective)

Nominative, feminine, singular of jīvamṛtapravāhinī

jīvamṛtapravāhinī - flowing with or carrying living and dead (beings)

Compound type : bahuvrīhi / tatpuruṣa (jīva+mṛta+pravāhinī)

• jīva – living, alive, life
  noun (masculine)
  Root: jīv (class 1)
• mṛta – dead, deceased, death
  adjective (neuter)
  Past Passive Participle
  Derived from root mṛ (to die).
  Root: mṛ (class 6)
• pravāhinī – flowing, stream, current, carrying (feminine)
  adjective (feminine)
  agent noun/adjective
  Feminine form of 'pravāhin', derived from pra-vah (to flow, carry).
  Prefix: pra
  Root: vah (class 1)