महाभारतः mahābhārataḥ - book-7, chapter-171, verse-9

सर्वसैन्यानि पाण्डूनां न्यस्तशस्त्राण्यचेतसः ।
युधिष्ठिरपुरोगांश्च विमुखांस्तान्महारथान् ॥९॥

9. sarvasainyāni pāṇḍūnāṁ nyastaśastrāṇyacetasaḥ ,
yudhiṣṭhirapurogāṁśca vimukhāṁstānmahārathān.

9. sarva-sainyāni pāṇḍūnām nyasta-śastrāṇi acetasaḥ
yudhiṣṭhira-purogān ca vimukhān tān mahārathān

9. pāṇḍūnām sarva-sainyāni nyasta-śastrāṇi,
ca tān yudhiṣṭhira-purogān vimukhān acetasaḥ mahārathān

9. All the armies of the Pāṇḍavas, with their weapons laid down, were distraught; and those great charioteers, led by Yudhiṣṭhira, were turned away (from battle).

Words meanings summery:

• सर्व-सैन्यानि (sarva-sainyāni) - all armies

• पाण्डूनाम् (pāṇḍūnām) - of the Pāṇḍavas

• न्यस्त-शस्त्राणि (nyasta-śastrāṇi) - with weapons laid down, disarmed

• अचेतसः (acetasaḥ) - senseless, distraught, bewildered, unconscious

• युधिष्ठिर-पुरोगान् (yudhiṣṭhira-purogān) - having Yudhiṣṭhira as their leader, led by Yudhiṣṭhira

• च (ca) - and, also

• विमुखान् (vimukhān) - turned away from battle (turned away, with faces averted, disheartened, averse)

• तान् (tān) - those

• महारथान् (mahārathān) - great charioteers, mighty warriors

Words meanings and morphology

सर्व-सैन्यानि (sarva-sainyāni) - all armies

(noun)

Accusative, neuter, plural of sarva-sainya

sarva-sainya - all armies, the entire army

Tatpuruṣa compound: 'sarva' (all) + 'sainya' (army)

Compound type : tatpurusha (sarva+sainya)

• sarva – all, every, whole
  adjective
• sainya – army, host
  noun (neuter)
  From 'senā' (army)

Note: Can also be nominative, but accusative fits if objects of implied 'dṛṣṭvā'.

पाण्डूनाम् (pāṇḍūnām) - of the Pāṇḍavas

(proper noun)

Genitive, masculine, plural of pāṇḍu

pāṇḍu - Pāṇḍu (father of the Pāṇḍavas), or his descendants

Note: Possessive, 'of the Pāṇḍavas'.

न्यस्त-शस्त्राणि (nyasta-śastrāṇi) - with weapons laid down, disarmed

(adjective)

Accusative, neuter, plural of nyasta-śastra

nyasta-śastra - having laid down weapons, disarmed

Bahuvrīhi compound: 'nyasta' (laid down) + 'śastra' (weapon)

Compound type : bahuvrīhi (nyasta+śastra)

• nyasta – laid down, placed, thrown
  adjective
  Past Passive Participle
  From root 'as' (to throw) with prefix 'ni'
  Prefix: ni
  Root: as (class 4)
• śastra – weapon, arm
  noun (neuter)
  Root: śas (class 2)

अचेतसः (acetasaḥ) - senseless, distraught, bewildered, unconscious

(adjective)

Accusative, masculine, plural of acetas

acetas - senseless, distraught, unconscious, bewildered

Compound: 'a' (negation) + 'cetas' (mind)

Compound type : bahuvrīhi (a+cetas)

• a – not, non-, un-
  indeclinable
• cetas – mind, consciousness, intellect
  noun (neuter)
  Root: cit (class 1)

युधिष्ठिर-पुरोगान् (yudhiṣṭhira-purogān) - having Yudhiṣṭhira as their leader, led by Yudhiṣṭhira

(adjective)

Accusative, masculine, plural of yudhiṣṭhira-puroga

yudhiṣṭhira-puroga - having Yudhiṣṭhira as their leader, led by Yudhiṣṭhira

Bahuvrīhi compound: 'Yudhiṣṭhira' (proper noun) + 'puroga' (going before, leader)

Compound type : bahuvrīhi (yudhiṣṭhira+puroga)

• yudhiṣṭhira – Yudhiṣṭhira (proper name of the eldest Pāṇḍava)
  proper noun (masculine)
• puroga – going before, leading, leader
  adjective (masculine)
  From 'puras' (before) + root 'gam' (to go)
  Root: gam (class 1)

च (ca) - and, also

(indeclinable)

विमुखान् (vimukhān) - turned away from battle (turned away, with faces averted, disheartened, averse)

(adjective)

Accusative, masculine, plural of vimukha

vimukha - turned away, averted, disheartened, with averted face

Bahuvrīhi compound: 'vi' (away) + 'mukha' (face)

Compound type : bahuvrīhi (vi+mukha)

• vi – away, apart, dis-
  indeclinable
• mukha – face, mouth, front
  noun (neuter)

तान् (tān) - those

(pronoun)

Accusative, masculine, plural of tad

tad - that, those, them

महारथान् (mahārathān) - great charioteers, mighty warriors

(noun)

Accusative, masculine, plural of mahāratha

mahāratha - great charioteer, mighty warrior, one who can fight alone against 10,000 archers

Bahuvrīhi compound: 'mahā' (great) + 'ratha' (chariot)

Compound type : bahuvrīhi (mahā+ratha)

• mahā – great, mighty
  adjective
• ratha – chariot
  noun (masculine)
  Root: ram

Note: Main object of this clause.