महाभारतः mahābhārataḥ - book-7, chapter-19, verse-4

व्यूहं दृष्ट्वा सुपर्णं तु भारद्वाजकृतं तदा ।
व्यूहेन मण्डलार्धेन प्रत्यव्यूहद्युधिष्ठिरः ॥४॥

4. vyūhaṁ dṛṣṭvā suparṇaṁ tu bhāradvājakṛtaṁ tadā ,
vyūhena maṇḍalārdhena pratyavyūhadyudhiṣṭhiraḥ.

4. vyūham dṛṣṭvā suparṇam tu bhāradvājakṛtam tadā
vyūhena maṇḍalārdhena pratyavyūhat yudhiṣṭhiraḥ

4. tadā bhāradvājakṛtam suparṇam vyūham dṛṣṭvā tu
yudhiṣṭhiraḥ maṇḍalārdhena vyūhena pratyavyūhat

4. Having then seen the Suparṇa (eagle) array, created by Bhāradvāja (Droṇa), Yudhiṣṭhira counter-arrayed with a half-moon (maṇḍalārdha) formation.

Words meanings summery:

• व्यूहम् (vyūham) - array, formation

• दृष्ट्वा (dṛṣṭvā) - having seen

• सुपर्णम् (suparṇam) - Suparṇa (eagle) formation

• तु (tu) - but, indeed, however

• भारद्वाजकृतम् (bhāradvājakṛtam) - created by Droṇa, who was a descendant of Bhāradvāja (created by Bhāradvāja)

• तदा (tadā) - then, at that time

• व्यूहेन (vyūhena) - by the formation, with the array

• मण्डलार्धेन (maṇḍalārdhena) - by the half-circle (formation)

• प्रत्यव्यूहत् (pratyavyūhat) - counter-arrayed

• युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhiṣṭhira

Words meanings and morphology

व्यूहम् (vyūham) - array, formation

(noun)

Accusative, masculine, singular of vyūha

vyūha - battle array, formation, disposition of troops

दृष्ट्वा (dṛṣṭvā) - having seen

(indeclinable)

Absolutive (Gerund)

formed from √dṛś with -tvā suffix

Root: dṛś (class 1)

Note: Indicates a preceding action.

सुपर्णम् (suparṇam) - Suparṇa (eagle) formation

(noun)

Accusative, masculine, singular of suparṇa

suparṇa - having beautiful wings; an eagle, a mythical bird; a type of military array resembling an eagle

Note: Refers to a specific type of battle formation.

तु (tu) - but, indeed, however

(indeclinable)

Note: Particle expressing emphasis or contrast.

भारद्वाजकृतम् (bhāradvājakṛtam) - created by Droṇa, who was a descendant of Bhāradvāja (created by Bhāradvāja)

(adjective)

Accusative, masculine, singular of bhāradvājakṛta

bhāradvājakṛta - made or done by Bhāradvāja

Compound type : tatpuruṣa (bhāradvāja+kṛta)

• bhāradvāja – descendant of Bharadvāja; Droṇa
  proper noun (masculine)
• kṛta – done, made, performed, created
  adjective
  Past Passive Participle
  from √kṛ (to do, make)
  Root: kṛ (class 8)

Note: Qualifies 'vyūham'.

तदा (tadā) - then, at that time

(indeclinable)

Note: Adverb of time.

व्यूहेन (vyūhena) - by the formation, with the array

(noun)

Instrumental, masculine, singular of vyūha

vyūha - battle array, formation, disposition of troops

Note: Indicates the means or instrument.

मण्डलार्धेन (maṇḍalārdhena) - by the half-circle (formation)

(noun)

Instrumental, masculine, singular of maṇḍalārdha

maṇḍalārdha - half-circle, semi-circular

Compound type : tatpuruṣa (maṇḍala+ardha)

• maṇḍala – circle, disk, orb; a division of an army
  noun (neuter)
• ardha – half, part
  noun (masculine)

Note: Qualifies 'vyūhena'.

प्रत्यव्यूहत् (pratyavyūhat) - counter-arrayed

(verb)

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

Prefixes: prati+vi

Root: ūh (class 1)

युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhiṣṭhira

(proper noun)

Nominative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Yudhiṣṭhira (the eldest of the Pāṇḍavas)