महाभारतः mahābhārataḥ - book-7, chapter-129, verse-15

उलूकाश्चाप्यदृश्यन्त शंसन्तो विपुलं भयम् ।
विशेषतः कौरवाणां ध्वजिन्यामतिदारुणम् ॥१५॥

15. ulūkāścāpyadṛśyanta śaṁsanto vipulaṁ bhayam ,
viśeṣataḥ kauravāṇāṁ dhvajinyāmatidāruṇam.

15. ulūkāḥ ca api adṛśyanta śaṃsantaḥ vipulam bhayam
viśeṣataḥ kauravāṇām dhvajinyām atidāruṇam

15. ca api ulūkāḥ vipulam atidāruṇam bhayam śaṃsantaḥ adṛśyanta,
viśeṣataḥ kauravāṇām dhvajinyām

15. And owls were also seen, proclaiming a great and exceedingly terrible fear, particularly within the army of the Kauravas.

Words meanings summery:

• उलूकाः (ulūkāḥ) - owls

• च (ca) - and, also

• अपि (api) - also, even, too

• अदृश्यन्त (adṛśyanta) - they were seen, they appeared

• शंसन्तः (śaṁsantaḥ) - proclaiming, announcing, predicting

• विपुलम् (vipulam) - great, vast, extensive

• भयम् (bhayam) - fear, terror, dread

• विशेषतः (viśeṣataḥ) - especially, particularly, specifically

• कौरवाणाम् (kauravāṇām) - of the Kauravas

• ध्वजिन्याम् (dhvajinyām) - in the army, in the banner-bearing army

• अतिदारुणम् (atidāruṇam) - exceedingly terrible, very cruel, highly dreadful

Words meanings and morphology

उलूकाः (ulūkāḥ) - owls

(noun)

Nominative, masculine, plural of ulūka

ulūka - owl

Root: ul (class 1)

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

अदृश्यन्त (adṛśyanta) - they were seen, they appeared

(verb)

3rd person , plural, passive, past imperfect (laṅ) of dṛś

Imperfect tense, 3rd person plural, passive voice. Root `dṛś` becomes `dṛśya` in passive.

Root: dṛś (class 1)

शंसन्तः (śaṁsantaḥ) - proclaiming, announcing, predicting

(participle)

Nominative, masculine, plural of śaṃsant

śaṁsant - proclaiming, announcing, predicting, telling

Present Active Participle

From root śaṃs- (to praise, announce) with present participle suffix -at.

Root: śaṃs (class 1)

विपुलम् (vipulam) - great, vast, extensive

(adjective)

Accusative, neuter, singular of vipula

vipula - great, vast, extensive, abundant

Prefix: vi

Root: pul (class 1)

भयम् (bhayam) - fear, terror, dread

(noun)

Accusative, neuter, singular of bhaya

bhaya - fear, terror, dread

From root bhī- (to fear) + a suffix.

Root: bhī (class 3)

विशेषतः (viśeṣataḥ) - especially, particularly, specifically

(indeclinable)

From viśeṣa (distinction, particularity) + tas suffix.

कौरवाणाम् (kauravāṇām) - of the Kauravas

(proper noun)

Genitive, masculine, plural of kaurava

kaurava - descendant of Kuru, a member of the Kaurava clan

From Kuru + aṇ suffix, referring to descendants.

ध्वजिन्याम् (dhvajinyām) - in the army, in the banner-bearing army

(noun)

Locative, feminine, singular of dhvajinī

dhvajinī - army, host, banner-bearing force

From dhvaja (banner) + -inī suffix.

अतिदारुणम् (atidāruṇam) - exceedingly terrible, very cruel, highly dreadful

(adjective)

Accusative, neuter, singular of atidāruṇa

atidāruṇa - exceedingly terrible, very cruel, highly dreadful

Compound of ati- (exceedingly) and dāruṇa (terrible).

Compound type : karmadhāraya (ati+dāruṇa)

• ati – exceedingly, very, beyond
  indeclinable
  Prefix indicating excess or intensity
• dāruṇa – terrible, dreadful, harsh, cruel
  adjective (masculine)
  From root dṛ (to tear, burst)
  Root: dṛ (class 1)