महाभारतः mahābhārataḥ - book-8, chapter-64, verse-12

ततो महास्त्राणि महाधनुर्धरौ विमुञ्चमानाविषुभिर्भयानकैः ।
नराश्वनागानमितौ निजघ्नतुः परस्परं जघ्नतुरुत्तमेषुभिः ॥१२॥

12. tato mahāstrāṇi mahādhanurdharau; vimuñcamānāviṣubhirbhayānakaiḥ ,
narāśvanāgānamitau nijaghnatuḥ; parasparaṁ jaghnaturuttameṣubhiḥ.

12. tataḥ mahāstrāṇi mahādhanurdharau
vimuñcamānau iṣubhiḥ bhayānakaiḥ
narāśvanāgān amitau nijaghnuḥ
parasparam jaghnuḥ uttameṣubhiḥ

12. tataḥ mahādhanurdharau bhayānakaiḥ
iṣubhiḥ mahāstrāṇi vimuñcamānau
amitau narāśvanāgān nijaghnuḥ
(and) uttameṣubhiḥ parasparam jaghnuḥ

12. Then, the two unrivaled great bow-wielders, releasing terrifying arrows, struck down men, horses, and elephants. With their excellent arrows, they also struck each other.

Words meanings summery:

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

• महास्त्राणि (mahāstrāṇi) - great weapons, divine missiles

• महाधनुर्धरौ (mahādhanurdharau) - the two great bow-wielders

• विमुञ्चमानौ (vimuñcamānau) - releasing, discharging

• इषुभिः (iṣubhiḥ) - with arrows

• भयानकैः (bhayānakaiḥ) - with terrifying, dreadful (arrows)

• नराश्वनागान् (narāśvanāgān) - men, horses, and elephants

• अमितौ (amitau) - unrivaled (referring to the two bow-wielders) (unmeasured, boundless, unrivaled)

• निजघ्नुः (nijaghnuḥ) - they both struck down, killed

• परस्परम् (parasparam) - each other, mutually

• जघ्नुः (jaghnuḥ) - they both struck, killed

• उत्तमेषुभिः (uttameṣubhiḥ) - with excellent arrows

Words meanings and morphology

ततः (tataḥ) - then, thereafter, from that

(indeclinable)

महास्त्राणि (mahāstrāṇi) - great weapons, divine missiles

(noun)

Accusative, neuter, plural of mahāstra

mahāstra - great missile, powerful weapon

Compound type : karmadharaya (mahā+astra)

• mahā – great, large, mighty
  adjective
• astra – missile, weapon
  noun (neuter)

महाधनुर्धरौ (mahādhanurdharau) - the two great bow-wielders

(noun)

Nominative, masculine, dual of mahādhanurdhara

mahādhanurdhara - great bow-wielder

Compound type : tatpurusha (mahā+dhanus+dhara)

• mahā – great, large, mighty
  adjective
• dhanus – bow, arc, weapon
  noun (neuter)
• dhara – bearer, holder, wearing
  adjective (masculine)
  Derived from root 'dhṛ' (to hold, bear)
  Root: dhṛ (class 1)

विमुञ्चमानौ (vimuñcamānau) - releasing, discharging

(participle)

Nominative, masculine, dual of vimuñcamāna

vimuñcamāna - releasing, loosening, discharging

Present Middle Participle

Derived from root 'muc' (to release) with prefix 'vi-' and suffix '-māna'

Prefix: vi

Root: muc (class 6)

इषुभिः (iṣubhiḥ) - with arrows

(noun)

Instrumental, masculine, plural of iṣu

iṣu - arrow

भयानकैः (bhayānakaiḥ) - with terrifying, dreadful (arrows)

(adjective)

Instrumental, masculine, plural of bhayānaka

bhayānaka - terrifying, dreadful, formidable

नराश्वनागान् (narāśvanāgān) - men, horses, and elephants

(noun)

Accusative, masculine, plural of narāśvanāga

narāśvanāga - men, horses, and elephants

Compound type : dvandva (nara+aśva+nāga)

• nara – man, human being
  noun (masculine)
• aśva – horse
  noun (masculine)
• nāga – elephant, serpent
  noun (masculine)

अमितौ (amitau) - unrivaled (referring to the two bow-wielders) (unmeasured, boundless, unrivaled)

(adjective)

Nominative, masculine, dual of amita

amita - unmeasured, boundless, infinite, unrivalled

Past Passive Participle with negation

Derived from root 'mā' (to measure) with prefix 'a-' (negation)

Prefix: a

Root: mā (class 2)

निजघ्नुः (nijaghnuḥ) - they both struck down, killed

(verb)

3rd person , dual, active, perfect (lit) of nijaghnu

Root 'han' (to strike, kill) with prefix 'ni-'

Prefix: ni

Root: han (class 2)

परस्परम् (parasparam) - each other, mutually

(indeclinable)

जघ्नुः (jaghnuḥ) - they both struck, killed

(verb)

3rd person , dual, active, perfect (lit) of jaghn

Root 'han' (to strike, kill)

Root: han (class 2)

उत्तमेषुभिः (uttameṣubhiḥ) - with excellent arrows

(noun)

Instrumental, masculine, plural of uttameṣu

uttameṣu - excellent arrow

Compound type : karmadharaya (uttama+iṣu)

• uttama – best, highest, supreme
  adjective (masculine)
• iṣu – arrow
  noun (masculine)