महाभारतः mahābhārataḥ - book-8, chapter-64, verse-7

ततोऽस्त्रमस्त्रेण परस्परस्य तौ विधूय वाताविव पूर्वपश्चिमौ ।
घनान्धकारे वितते तमोनुदौ यथोदितौ तद्वदतीव रेजतुः ॥७॥

7. tato'stramastreṇa parasparasya tau; vidhūya vātāviva pūrvapaścimau ,
ghanāndhakāre vitate tamonudau; yathoditau tadvadatīva rejatuḥ.

7. tataḥ astram astreṇa parasparasya
tau vidhūya vātau iva pūrvapaścimau
| ghanāndhakāre vitate tamonudau
yathā uditau tadvat atīva rejatuḥ

7. tataḥ tau parasparasya astram astreṇa vidhūya,
vitate ghanāndhakāre,
pūrvapaścimau vātau iva,
tamonudau yathā uditau tadvat atīva rejatuḥ

7. Then, those two, countering each other's weapons with their own, dispelled the dense darkness. They shone exceedingly like the two opposing winds, East and West, that have arisen, and just like dispellers of darkness.

Words meanings summery:

• ततः (tataḥ) - then, therefrom, after that

• अस्त्रम् (astram) - the opponent's weapon (weapon, missile)

• अस्त्रेण (astreṇa) - one's own weapon (by weapon, with a missile)

• परस्परस्य (parasparasya) - of each other, mutual

• तौ (tau) - those two

• विधूय (vidhūya) - having shaken off, having dispersed, having repelled

• वातौ (vātau) - two winds

• इव (iva) - like, as, as if

• पूर्वपश्चिमौ (pūrvapaścimau) - east and west (dual)

• घनान्धकारे (ghanāndhakāre) - in dense darkness

• वितते (vitate) - spread, extensive, widespread

• तमोनुदौ (tamonudau) - two dispellers of darkness, two removers of gloom

• यथा (yathā) - as, just as, according to

• उदितौ (uditau) - risen, appeared, ascended

• तद्वत् (tadvat) - like that, similarly, in the same manner

• अतीव (atīva) - exceedingly, greatly, very much

• रेजतुः (rejatuḥ) - they shone, they glittered

Words meanings and morphology

ततः (tataḥ) - then, therefrom, after that

(indeclinable)

From pronominal root tad (that) + -tas suffix indicating origin or direction

अस्त्रम् (astram) - the opponent's weapon (weapon, missile)

(noun)

Accusative, neuter, singular of astra

astra - weapon, missile, magical weapon

From root as (to throw) + -tra suffix

Root: as (class 4)

Note: Refers to the opponent's weapon.

अस्त्रेण (astreṇa) - one's own weapon (by weapon, with a missile)

(noun)

Instrumental, neuter, singular of astra

astra - weapon, missile, magical weapon

From root as (to throw) + -tra suffix

Root: as (class 4)

Note: Refers to one's own weapon.

परस्परस्य (parasparasya) - of each other, mutual

(pronoun)

Genitive, masculine, singular of paraspara

paraspara - mutual, reciprocal, each other

Compound of para (other) + apara (other), meaning 'one after the other' or 'mutual'

Compound type : tatpuruṣa (para+apara)

• para – other, supreme
  adjective (masculine)
• apara – other, subsequent
  adjective (masculine)

Note: Qualifies 'astram' implicitly.

तौ (tau) - those two

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

Note: Refers to the two main combatants.

विधूय (vidhūya) - having shaken off, having dispersed, having repelled

(indeclinable)

Absolutive (Gerund)

From vi- (apart) + root dhū (to shake)

Prefix: vi

Root: dhū (class 5)

Note: Indicates a completed action before the main verb.

वातौ (vātau) - two winds

(noun)

Nominative, masculine, dual of vāta

vāta - wind, air, breath

From root vā (to blow) + -ta

Root: vā (class 2)

Note: Part of a simile.

इव (iva) - like, as, as if

(indeclinable)

Note: Introduces a simile.

पूर्वपश्चिमौ (pūrvapaścimau) - east and west (dual)

(noun)

Nominative, masculine, dual of pūrvapaścima

pūrvapaścima - east and west

Compound of pūrva (east) and paścima (west)

Compound type : dvandva (pūrva+paścima)

• pūrva – east, former, prior
  adjective (masculine)
• paścima – west, western, later
  adjective (masculine)

Note: Qualifies 'vātau'.

घनान्धकारे (ghanāndhakāre) - in dense darkness

(noun)

Locative, masculine, singular of ghanāndhakāra

ghanāndhakāra - dense darkness

Compound of ghana (dense) and andhakāra (darkness)

Compound type : tatpuruṣa (ghana+andhakāra)

• ghana – dense, thick, compact
  adjective (masculine)
• andhakāra – darkness, gloom
  noun (masculine)

वितते (vitate) - spread, extensive, widespread

(adjective)

Locative, masculine, singular of vitata

vitata - spread, extensive, widespread

Past Passive Participle

From vi- (apart) + root tan (to spread)

Prefix: vi

Root: tan (class 8)

Note: Qualifies 'ghanāndhakāre'.

तमोनुदौ (tamonudau) - two dispellers of darkness, two removers of gloom

(adjective)

Nominative, masculine, dual of tamonuda

tamonuda - dispeller of darkness

Compound of tamas (darkness) and nuda (expeller/driving away). From root nud (to push, drive away).

Compound type : tatpuruṣa (tamas+nuda)

• tamas – darkness, ignorance
  noun (neuter)
• nuda – dispeller, expeller
  adjective (masculine)
  Agent noun
  From root nud (to push, drive away) + -a suffix
  Root: nud (class 6)

Note: Qualifies 'tau' (the two combatants).

यथा (yathā) - as, just as, according to

(indeclinable)

Note: Introduces a comparison.

उदितौ (uditau) - risen, appeared, ascended

(adjective)

Nominative, masculine, dual of udita

udita - risen, appeared, spoken

Past Passive Participle

From ud- (up) + root i (to go)

Prefix: ud

Root: i (class 2)

Note: Qualifies 'tamonudau' and implies 'the dispellers of darkness, having risen (like sun/moon)'.

तद्वत् (tadvat) - like that, similarly, in the same manner

(indeclinable)

From tad (that) + -vat suffix (like)

Note: Reinforces the comparison.

अतीव (atīva) - exceedingly, greatly, very much

(indeclinable)

From ati- (over, beyond) + iva (like, as)

Note: Modifies the verb 'rejatuḥ'.

रेजतुः (rejatuḥ) - they shone, they glittered

(verb)

3rd person , dual, active, Perfect (lit) of rej

Root: rej (class 1)