महाभारतः mahābhārataḥ - book-6, chapter-87, verse-21

ततः पुनरमेयात्मा शरवर्षं दुरासदम् ।
मुमोच भरतश्रेष्ठ निशाचरबलं प्रति ॥२१॥

21. tataḥ punarameyātmā śaravarṣaṁ durāsadam ,
mumoca bharataśreṣṭha niśācarabalaṁ prati.

21. tataḥ punar ameyātmā śaravarṣam durāsadam
mumoca bharataśreṣṭha niśācarabalam prati

21. bharataśreṣṭha tataḥ punar ameyātmā durāsadam
śaravarṣam niśācarabalam prati mumoca

21. Then again, O best among the Bharatas, the one of boundless spirit unleashed an irresistible shower of arrows against the army of night-roaming demons.

Words meanings summery:

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

• पुनर् (punar) - again, moreover, but

• अमेयात्मा (ameyātmā) - the mighty warrior (likely Ghaṭotkaca or another powerful figure) (one whose spirit is immeasurable, of boundless spirit)

• शरवर्षम् (śaravarṣam) - shower of arrows, volley of arrows

• दुरासदम् (durāsadam) - irresistible (describing the shower of arrows) (difficult to approach, irresistible, formidable)

• मुमोच (mumoca) - he released, he discharged, he threw

• भरतश्रेष्ठ (bharataśreṣṭha) - O Dhṛtarāṣṭra (O best among the Bharatas)

• निशाचरबलम् (niśācarabalam) - army of night-roamers, host of demons

• प्रति (prati) - towards, against, concerning

Words meanings and morphology

ततः (tataḥ) - then, thereupon, from that

(indeclinable)

पुनर् (punar) - again, moreover, but

(indeclinable)

अमेयात्मा (ameyātmā) - the mighty warrior (likely Ghaṭotkaca or another powerful figure) (one whose spirit is immeasurable, of boundless spirit)

(noun)

Nominative, masculine, singular of ameyātman

ameyātman - one whose spirit (ātman) is immeasurable, boundless soul

Compound type : bahuvrīhi (ameya+ātman)

• ameya – immeasurable, boundless, infinite
  adjective
  Gerundive/Future Passive Participle
  From √mā (to measure) with prefix 'a' (negation) and suffix '-ya'
  Prefix: a
  Root: mā (class 3)
• ātman – self, soul, spirit, essence (ātman)
  noun (masculine)
  Root: an (class 2)

शरवर्षम् (śaravarṣam) - shower of arrows, volley of arrows

(noun)

Accusative, neuter, singular of śaravarṣa

śaravarṣa - shower of arrows

Compound type : tatpuruṣa (śara+varṣa)

• śara – arrow, reed
  noun (masculine)
• varṣa – rain, shower
  noun (neuter)
  From √vṛṣ (to rain)
  Root: vṛṣ (class 1)

Note: Object of 'mumoca'.

दुरासदम् (durāsadam) - irresistible (describing the shower of arrows) (difficult to approach, irresistible, formidable)

(adjective)

Accusative, neuter, singular of durāsada

durāsada - difficult to approach, formidable, irresistible

Prefix: dur

Root: sad (class 1)

Note: Agrees with 'śaravarṣam'.

मुमोच (mumoca) - he released, he discharged, he threw

(verb)

3rd person , singular, active, past perfect (Lit) of muc

Root: muc (class 6)

Note: Reduplicated perfect form.

भरतश्रेष्ठ (bharataśreṣṭha) - O Dhṛtarāṣṭra (O best among the Bharatas)

(proper noun)

Vocative, masculine, singular of bharataśreṣṭha

bharataśreṣṭha - best of the Bharatas

Compound type : tatpuruṣa (bharata+śreṣṭha)

• bharata – a descendant of Bharata, a member of the Bharata lineage
  proper noun (masculine)
• śreṣṭha – best, most excellent, supreme
  adjective
  Superlative of praśasya/praśasta (excellent)

निशाचरबलम् (niśācarabalam) - army of night-roamers, host of demons

(noun)

Accusative, neuter, singular of niśācarabala

niśācarabala - army of night-roamers, host of demons

Compound type : tatpuruṣa (niśācara+bala)

• niśācara – night-walker, night-roamer, demon
  noun (masculine)
  Prefix: niśā
  Root: car (class 1)
• bala – strength, power, army, force
  noun (neuter)

Note: Object of 'prati'.

प्रति (prati) - towards, against, concerning

(indeclinable)

Note: Governs accusative case.