महाभारतः mahābhārataḥ - book-5, chapter-141, verse-23

कृष्णग्रीवाश्च शकुना लम्बमाना भयानकाः ।
संध्यामभिमुखा यान्ति तत्पराभवलक्षणम् ॥२३॥

23. kṛṣṇagrīvāśca śakunā lambamānā bhayānakāḥ ,
saṁdhyāmabhimukhā yānti tatparābhavalakṣaṇam.

23. kṛṣṇagrīvāḥ ca śakunāḥ lambamānāḥ bhayānakāḥ
sandhyām abhimukhāḥ yānti tat parābhavalakṣaṇam

23. kṛṣṇagrīvāḥ ca bhayānakāḥ lambamānāḥ śakunāḥ
sandhyām abhimukhāḥ yānti tat parābhavalakṣaṇam

23. And terrifying, black-necked birds, swooping, proceed facing the twilight; that is a sign of defeat.

Words meanings summery:

• कृष्णग्रीवाः (kṛṣṇagrīvāḥ) - black-necked

• च (ca) - and, also, moreover

• शकुनाः (śakunāḥ) - birds (as ominous signs) (birds, omens)

• लम्बमानाः (lambamānāḥ) - swooping or hovering menacingly (hanging, suspended, drooping, swaying, swooping)

• भयानकाः (bhayānakāḥ) - terrifying, dreadful, fearful

• सन्ध्याम् (sandhyām) - towards the twilight (as a direction) (twilight, junction)

• अभिमुखाः (abhimukhāḥ) - facing towards (the twilight) (facing towards, directed towards, opposite to)

• यान्ति (yānti) - they go, they proceed, they move

• तत् (tat) - that (phenomenon) (that, it)

• पराभवलक्षणम् (parābhavalakṣaṇam) - a sign of defeat, a characteristic of failure

Words meanings and morphology

कृष्णग्रीवाः (kṛṣṇagrīvāḥ) - black-necked

(adjective)

Nominative, masculine, plural of kṛṣṇagrīva

kṛṣṇagrīva - black-necked

Compound type : bahuvrīhi (kṛṣṇa+grīvā)

• kṛṣṇa – black, dark
  adjective (masculine)
• grīvā – neck
  noun (feminine)

च (ca) - and, also, moreover

(indeclinable)

शकुनाः (śakunāḥ) - birds (as ominous signs) (birds, omens)

(noun)

Nominative, masculine, plural of śakuna

śakuna - a bird, especially an ominous bird; a good omen

लम्बमानाः (lambamānāḥ) - swooping or hovering menacingly (hanging, suspended, drooping, swaying, swooping)

(participle)

Nominative, masculine, plural of lambamāna

lambamāna - hanging, suspended, drooping, dangling

present middle participle

Present participle (ātmanepada) of the root √lamb (to hang, droop).

Root: lamb (class 1)

भयानकाः (bhayānakāḥ) - terrifying, dreadful, fearful

(adjective)

Nominative, masculine, plural of bhayānaka

bhayānaka - terrifying, dreadful, formidable

सन्ध्याम् (sandhyām) - towards the twilight (as a direction) (twilight, junction)

(noun)

Accusative, feminine, singular of sandhyā

sandhyā - twilight (morning or evening); junction, interval; time of prayer

अभिमुखाः (abhimukhāḥ) - facing towards (the twilight) (facing towards, directed towards, opposite to)

(adjective)

Nominative, masculine, plural of abhimukha

abhimukha - facing, directed towards, fronting

Compound type : tatpuruṣa (abhi+mukha)

• abhi – towards, against, in the direction of
  indeclinable
• mukha – mouth, face, front
  noun (neuter)

यान्ति (yānti) - they go, they proceed, they move

(verb)

3rd person , plural, active, present (lat) of yā

present active

3rd person plural, present tense, active voice.

Root: yā (class 2)

तत् (tat) - that (phenomenon) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it, he, she

पराभवलक्षणम् (parābhavalakṣaṇam) - a sign of defeat, a characteristic of failure

(noun)

Nominative, neuter, singular of parābhavalakṣaṇa

parābhavalakṣaṇa - a sign of defeat, an indication of downfall

Compound type : tatpuruṣa (parābhava+lakṣaṇa)

• parābhava – defeat, humiliation, downfall
  noun (masculine)
  Prefix: parā
  Root: bhū (class 1)
• lakṣaṇa – sign, mark, characteristic, definition
  noun (neuter)
  Root: lakṣ (class 10)