महाभारतः mahābhārataḥ - book-1, chapter-149, verse-16

समागताश्च वीरेण दृष्टपूर्वाश्च राक्षसाः ।
बलवन्तो महाकाया निहताश्चाप्यनेकशः ॥१६॥

16. samāgatāśca vīreṇa dṛṣṭapūrvāśca rākṣasāḥ ,
balavanto mahākāyā nihatāścāpyanekaśaḥ.

16. samāgatāḥ ca vīreṇa dṛṣṭapūrvāḥ ca rākṣasāḥ
balavantaḥ mahākāyāḥ nihatāḥ ca api anekaśaḥ

16. And the rākṣasas (demons) who had assembled, previously encountered by the hero, powerful and of immense size, were also slain in great numbers.

Words meanings summery:

• समागताः (samāgatāḥ) - assembled, gathered, come together

• च (ca) - and, also

• वीरेण (vīreṇa) - by the hero, by the brave man

• दृष्टपूर्वाः (dṛṣṭapūrvāḥ) - seen before, previously seen

• च (ca) - and, also

• राक्षसाः (rākṣasāḥ) - demons, rākṣasas

• बलवन्तः (balavantaḥ) - powerful, strong

• महाकायाः (mahākāyāḥ) - of great body, gigantic

• निहताः (nihatāḥ) - slain, killed, struck down

• च (ca) - and, also

• अपि (api) - also, even, too

• अनेकशः (anekaśaḥ) - in great numbers, manifold, in various ways

Words meanings and morphology

समागताः (samāgatāḥ) - assembled, gathered, come together

(adjective)

Nominative, masculine, plural of samāgata

samāgata - assembled, come together, met, encountered

Past Passive Participle

Derived from root gam (to go) with upasargas sam- and ā-, in past passive participle form.

Prefixes: sam+ā

Root: gam (class 1)

च (ca) - and, also

(indeclinable)

वीरेण (vīreṇa) - by the hero, by the brave man

(noun)

Instrumental, masculine, singular of vīra

vīra - hero, brave man, warrior

दृष्टपूर्वाः (dṛṣṭapūrvāḥ) - seen before, previously seen

(adjective)

Nominative, masculine, plural of dṛṣṭapūrva

dṛṣṭapūrva - seen before, formerly seen

Tatpuruṣa compound of dṛṣṭa (seen) and pūrva (before).

Compound type : tatpuruṣa (dṛṣṭa+pūrva)

• dṛṣṭa – seen, observed
  adjective (masculine)
  Past Passive Participle
  From root dṛś (to see).
  Root: dṛś (class 1)
• pūrva – before, former, prior
  adjective (masculine)

च (ca) - and, also

(indeclinable)

राक्षसाः (rākṣasāḥ) - demons, rākṣasas

(noun)

Nominative, masculine, plural of rākṣasa

rākṣasa - demon, evil spirit, rākṣasa

बलवन्तः (balavantaḥ) - powerful, strong

(adjective)

Nominative, masculine, plural of balavat

balavat - strong, powerful, mighty

Possessive suffix -vat/mat.

महाकायाः (mahākāyāḥ) - of great body, gigantic

(adjective)

Nominative, masculine, plural of mahākāya

mahākāya - of great size, gigantic body

Bahuvrīhi or Karmadhāraya compound: mahā (great) + kāya (body).

Compound type : bahuvrīhi (mahā+kāya)

• mahā – great, large, mighty
  adjective (masculine)
• kāya – body, collection
  noun (masculine)

निहताः (nihatāḥ) - slain, killed, struck down

(adjective)

Nominative, masculine, plural of nihata

nihata - slain, killed, struck, hurt

Past Passive Participle

Derived from root han (to strike, kill) with upasarga ni-, in past passive participle form.

Prefix: ni

Root: han (class 2)

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

अनेकशः (anekaśaḥ) - in great numbers, manifold, in various ways

(indeclinable)

Derived from aneka (many) with suffix -śas.