महाभारतः mahābhārataḥ - book-5, chapter-107, verse-8

नैरृतानां सहस्राणि बहून्यत्र द्विजर्षभ ।
सृष्टानि प्रतिकूलानि द्रष्टव्यान्यकृतात्मभिः ॥८॥

8. nairṛtānāṁ sahasrāṇi bahūnyatra dvijarṣabha ,
sṛṣṭāni pratikūlāni draṣṭavyānyakṛtātmabhiḥ.

8. nairṛtānām sahasrāṇi bahūni atra dvijarṣabha
sṛṣṭāni pratikūlāni draṣṭavyāni akṛtātmabhiḥ

8. O bull among the twice-born (dvija), many thousands of demons (nairṛta) exist here, created as hostile forces, and are to be perceived by those whose inner self (ātman) is undeveloped.

Words meanings summery:

• नैरृतानाम् (nairṛtānām) - of the Nairṛtas, of the demons

• सहस्राणि (sahasrāṇi) - thousands

• बहूनि (bahūni) - many

• अत्र (atra) - here, in this place

• द्विजर्षभ (dvijarṣabha) - O bull among the twice-born, O best of the twice-born

• सृष्टानि (sṛṣṭāni) - created

• प्रतिकूलानि (pratikūlāni) - hostile, adverse, contrary

• द्रष्टव्यानि (draṣṭavyāni) - are to be seen, are to be perceived

• अकृतात्मभिः (akṛtātmabhiḥ) - by those whose self (ātman) is uncultivated/undeveloped

Words meanings and morphology

नैरृतानाम् (nairṛtānām) - of the Nairṛtas, of the demons

(noun)

Genitive, masculine, plural of nairṛta

nairṛta - demon, evil being, spirit of Nirṛti

Derived from Nirṛti (goddess of decay and destruction).

सहस्राणि (sahasrāṇi) - thousands

(noun)

Nominative, neuter, plural of sahasra

sahasra - a thousand

बहूनि (bahūni) - many

(adjective)

Nominative, neuter, plural of bahu

bahu - many, much, abundant

अत्र (atra) - here, in this place

(indeclinable)

द्विजर्षभ (dvijarṣabha) - O bull among the twice-born, O best of the twice-born

(noun)

Vocative, masculine, singular of dvijarṣabha

dvijarṣabha - bull/best among the twice-born

Compound type : tatpuruṣa (dvija+ṛṣabha)

• dvija – twice-born (a Brahmin, a bird, a tooth)
  noun (masculine)
• ṛṣabha – a bull, chief, best, excellent
  noun (masculine)

सृष्टानि (sṛṣṭāni) - created

(adjective)

Nominative, neuter, plural of sṛṣṭa

sṛṣṭa - created, released, emitted

Past Passive Participle

Derived from root sṛj, meaning 'to create, emit'.

Root: sṛj (class 6)

प्रतिकूलानि (pratikūlāni) - hostile, adverse, contrary

(adjective)

Nominative, neuter, plural of pratikūla

pratikūla - contrary, adverse, hostile, unfavourable

द्रष्टव्यानि (draṣṭavyāni) - are to be seen, are to be perceived

(adjective)

Nominative, neuter, plural of draṣṭavya

draṣṭavya - to be seen, visible, perceivable

Gerundive

Derived from root dṛś, meaning 'to see', indicating something that 'is to be seen'.

Root: dṛś (class 1)

अकृतात्मभिः (akṛtātmabhiḥ) - by those whose self (ātman) is uncultivated/undeveloped

(noun)

Instrumental, masculine, plural of akṛtātman

akṛtātman - one whose self (ātman) is uncultivated, undeveloped, immature, undisciplined

Compound type : bahuvrīhi (akṛta+ātman)

• akṛta – unmade, undone, unfinished, uncultivated
  adjective
  Negative prefix a + kṛta (PPP of kṛ).
• ātman – self, soul, spirit, essence
  noun (masculine)