महाभारतः mahābhārataḥ - book-7, chapter-73, verse-12

इषुजालावृतं घोरमन्धकारमनन्तरम् ।
अनाधृष्यमिवान्येषां शूराणामभवत्तदा ॥१२॥

12. iṣujālāvṛtaṁ ghoramandhakāramanantaram ,
anādhṛṣyamivānyeṣāṁ śūrāṇāmabhavattadā.

12. iṣujālāvṛtam ghoram andhakāram anantaram
anādhṛṣyam iva anyeṣām śūrāṇām abhavat tadā

12. tadā iṣujālāvṛtam ghoram anantaram andhakāram
anyeṣām śūrāṇām anādhṛṣyam iva abhavat

12. At that time, an immediate and dreadful darkness, enveloped by a shower of arrows, became unassailable, even for other warriors.

Words meanings summery:

• इषुजालावृतम् (iṣujālāvṛtam) - covered by a net/shower of arrows, enveloped by a volley of arrows

• घोरम् (ghoram) - terrible, dreadful, fearful

• अन्धकारम् (andhakāram) - darkness, gloom

• अनन्तरम् (anantaram) - immediate, without interval, contiguous

• अनाधृष्यम् (anādhṛṣyam) - unassailable, invincible, not to be attacked

• इव (iva) - like, as if, as it were

• अन्येषाम् (anyeṣām) - of others

• शूराणाम् (śūrāṇām) - of heroes, of warriors

• अभवत् (abhavat) - it became, there was

• तदा (tadā) - then, at that time

Words meanings and morphology

इषुजालावृतम् (iṣujālāvṛtam) - covered by a net/shower of arrows, enveloped by a volley of arrows

(adjective)

Nominative, neuter, singular of iṣujālāvṛta

iṣujālāvṛta - covered by a net/shower of arrows

Past Passive Participle

Compound of 'iṣujāla' (net/shower of arrows) and 'āvṛta' (covered, enveloped - PPP of ā-vṛ).

Compound type : tṛtīyā-tatpuruṣa (iṣujāla+āvṛta)

• iṣujāla – net of arrows, shower of arrows
  noun (neuter)
• āvṛta – covered, enveloped, surrounded
  adjective (neuter)
  Past Passive Participle
  From root 'vṛ' (to cover) with prefix 'ā'.
  Prefix: ā
  Root: vṛ (class 5)

Note: Modifies 'andhakāram'

घोरम् (ghoram) - terrible, dreadful, fearful

(adjective)

Nominative, neuter, singular of ghora

ghora - terrible, dreadful, formidable, frightful

Note: Modifies 'andhakāram'

अन्धकारम् (andhakāram) - darkness, gloom

(noun)

Nominative, neuter, singular of andhakāra

andhakāra - darkness, gloom, obscurity

अनन्तरम् (anantaram) - immediate, without interval, contiguous

(adjective)

Nominative, neuter, singular of anantara

anantara - immediate, next, contiguous, without interval

Nañ-tatpuruṣa compound: 'an-' (not) + 'antara' (interval).

Compound type : nañ-tatpuruṣa (an+antara)

• an – not, un-
  indeclinable
• antara – interval, space, difference, interior
  noun (neuter)

Note: Modifies 'andhakāram'

अनाधृष्यम् (anādhṛṣyam) - unassailable, invincible, not to be attacked

(adjective)

Nominative, neuter, singular of anādhṛṣya

anādhṛṣya - unassailable, invincible, not to be overcome or attacked

Gerundive

Nañ-tatpuruṣa compound: 'an-' (not) + 'ādhṛṣya' (assailable - gerundive of ā-dhṛṣ).

Compound type : nañ-tatpuruṣa (an+ādhṛṣya)

• an – not, un-
  indeclinable
• ādhṛṣya – assailable, attackable
  adjective (neuter)
  Gerundive
  From root 'dhṛṣ' (to dare, attack) with prefix 'ā' and suffix '-ya'.
  Prefix: ā
  Root: dhṛṣ (class 5)

इव (iva) - like, as if, as it were

(indeclinable)

अन्येषाम् (anyeṣām) - of others

(pronoun)

Genitive, masculine, plural of anya

anya - other, different, another

शूराणाम् (śūrāṇām) - of heroes, of warriors

(noun)

Genitive, masculine, plural of śūra

śūra - hero, brave man, warrior

अभवत् (abhavat) - it became, there was

(verb)

3rd person , singular, active, imperfect past (laṅ) of bhū

Root: bhū (class 1)

तदा (tadā) - then, at that time

(indeclinable)