महाभारतः mahābhārataḥ - book-7, chapter-63, verse-31

सिद्धचारणसंघानां विस्मयः सुमहानभूत् ।
द्रोणेन विहितं दृष्ट्वा व्यूहं क्षुब्धार्णवोपमम् ॥३१॥

31. siddhacāraṇasaṁghānāṁ vismayaḥ sumahānabhūt ,
droṇena vihitaṁ dṛṣṭvā vyūhaṁ kṣubdhārṇavopamam.

31. siddhacāraṇasaṅghānām vismayaḥ sumahān abhūt
droṇena vihitam dṛṣṭvā vyūham kṣubdhārṇavopamam

31. droṇena kṣubdhārṇavopamam vihitam vyūham dṛṣṭvā
siddhacāraṇasaṅghānām sumahān vismayaḥ abhūt

31. A very great astonishment arose among the hosts of Siddhas and Caraṇas upon seeing the battle formation arranged by Droṇa, which resembled a turbulent ocean.

Words meanings summery:

• सिद्धचारणसङ्घानाम् (siddhacāraṇasaṅghānām) - Of the hosts/assemblies of Siddhas and Caraṇas

• विस्मयः (vismayaḥ) - astonishment, wonder, surprise

• सुमहान् (sumahān) - very great, immense

• अभूत् (abhūt) - was, became, existed

• द्रोणेन (droṇena) - By Droṇa, the revered teacher and general. (by Droṇa)

• विहितम् (vihitam) - arranged, formed, created

• दृष्ट्वा (dṛṣṭvā) - having seen

• व्यूहम् (vyūham) - battle array, formation

• क्षुब्धार्णवोपमम् (kṣubdhārṇavopamam) - resembling a turbulent ocean

Words meanings and morphology

सिद्धचारणसङ्घानाम् (siddhacāraṇasaṅghānām) - Of the hosts/assemblies of Siddhas and Caraṇas

(noun)

Genitive, masculine, plural of siddhacāraṇasaṅgha

siddhacāraṇasaṅgha - assembly of Siddhas and Caraṇas

Compound type : dvandva-tatpuruṣa (siddha+cāraṇa+saṅgha)

• siddha – perfected, accomplished; a class of semi-divine beings
  noun (masculine)
  Past Passive Participle
  From root sidh (to accomplish) + kta suffix.
  Root: sidh (class 4)
• cāraṇa – a wanderer, a spy, a bard; a class of celestial beings
  noun (masculine)
  Root: car (class 1)
• saṅgha – a multitude, collection, host, community, assembly
  noun (masculine)
  From root han (to strike) with sam prefix, but in this context means 'grouping'.
  Prefix: sam
  Root: han (class 2)

विस्मयः (vismayaḥ) - astonishment, wonder, surprise

(noun)

Nominative, masculine, singular of vismaya

vismaya - astonishment, wonder, surprise

From root mi (to be astonished) with vi prefix.

Prefix: vi

Root: mi (class 5)

सुमहान् (sumahān) - very great, immense

(adjective)

Nominative, masculine, singular of sumahat

sumahat - very great, immense, enormous

Compound of su (good, very) and mahat (great).

Compound type : karmadhāraya (su+mahat)

• su – good, well, excellent, very
  indeclinable
  Used as a prefix or adverb.
• mahat – great, large, important, mighty
  adjective (masculine)

Note: Adjective for vismayaḥ.

अभूत् (abhūt) - was, became, existed

(verb)

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

Imperfect (luṅ)

Aorist form, 3rd person singular.

Root: bhū (class 1)

द्रोणेन (droṇena) - By Droṇa, the revered teacher and general. (by Droṇa)

(proper noun)

Instrumental, masculine, singular of droṇa

droṇa - Droṇa (a proper name, the preceptor of the Kauravas and Pandavas)

विहितम् (vihitam) - arranged, formed, created

(adjective)

Accusative, neuter, singular of vihita

vihita - arranged, formed, created, accomplished

Past Passive Participle

From root dhā (to place, arrange) with vi prefix, kta suffix.

Prefix: vi

Root: dhā (class 3)

Note: Adjective for vyūham.

दृष्ट्वा (dṛṣṭvā) - having seen

(indeclinable)

Absolutive (Gerund)

Formed with ktvā suffix.

Root: dṛś (class 1)

Note: Gerund.

व्यूहम् (vyūham) - battle array, formation

(noun)

Accusative, masculine, singular of vyūha

vyūha - battle array, formation, arrangement, division

From root ūh (to push, arrange) with vi prefix.

Prefix: vi

Root: ūh (class 1)

क्षुब्धार्णवोपमम् (kṣubdhārṇavopamam) - resembling a turbulent ocean

(adjective)

Accusative, neuter, singular of kṣubdhārṇavopama

kṣubdhārṇavopama - resembling a turbulent/agitated ocean

Compound of kṣubdha (agitated), arṇava (ocean), and upama (resembling).

Compound type : tatpuruṣa (kṣubdha+arṇava+upama)

• kṣubdha – agitated, disturbed, stirred up
  adjective (masculine)
  Past Passive Participle
  From root kṣubh (to agitate) + kta suffix.
  Root: kṣubh (class 1)
• arṇava – ocean, sea, water
  noun (masculine)
  From root ṛ (to go, move).
  Root: ṛ (class 3)
• upama – resembling, like, comparable
  adjective (masculine)
  From upa (near) + root mā (to measure, compare) + ḍa suffix.
  Prefix: upa
  Root: mā (class 2)

Note: Adjective for vyūham.