महाभारतः mahābhārataḥ - book-8, chapter-31, verse-6

के च प्रपक्षौ पक्षौ वा मम सैन्यस्य संजय ।
प्रविभज्य यथान्यायं कथं वा समवस्थिताः ॥६॥

6. ke ca prapakṣau pakṣau vā mama sainyasya saṁjaya ,
pravibhajya yathānyāyaṁ kathaṁ vā samavasthitāḥ.

6. ke ca prapakṣau pakṣau vā mama sainyasya saṃjaya
pravibhajya yathānyāyam katham vā samavasthitāḥ

6. saṃjaya,
mama sainyasya ke ca prapakṣau vā pakṣau (āsan)? vā yathānyāyam pravibhajya katham samavasthitāḥ?

6. And who formed the main flanks, or indeed the wings, of my army, O Sanjaya? And how were they positioned after being appropriately deployed?

Words meanings summery:

• के (ke) - who, which (plural)

• च (ca) - and, also

• प्रपक्षौ (prapakṣau) - the main flanks, the leading wings (dual)

• पक्षौ (pakṣau) - the wings, sides (dual)

• वा (vā) - or

• मम (mama) - my, of me

• सैन्यस्य (sainyasya) - of the army

• संजय (saṁjaya) - O Sanjaya

• प्रविभज्य (pravibhajya) - having divided, after distributing

• यथान्यायम् (yathānyāyam) - according to justice, properly, appropriately

• कथम् (katham) - how, in what manner

• वा (vā) - or

• समवस्थिताः (samavasthitāḥ) - were arrayed, positioned, stood (plural)

Words meanings and morphology

के (ke) - who, which (plural)

(pronoun)

Nominative, masculine, plural of kim

kim - who, what, which

Interrogative pronoun.

च (ca) - and, also

(indeclinable)

प्रपक्षौ (prapakṣau) - the main flanks, the leading wings (dual)

(noun)

Nominative, masculine, dual of prapakṣa

prapakṣa - main flank, leading wing, vanguard

Compound of `pra` (fore, leading) and `pakṣa` (wing, side).

Compound type : tatpuruṣa (pra+pakṣa)

• pra – forth, forward, leading
  indeclinable
  Prefix indicating intensity or forward movement.
• pakṣa – wing, side, flank, party
  noun (masculine)

पक्षौ (pakṣau) - the wings, sides (dual)

(noun)

Nominative, masculine, dual of pakṣa

pakṣa - wing, side, flank, party, half

वा (vā) - or

(indeclinable)

मम (mama) - my, of me

(pronoun)

Genitive, singular of mad

mad - I, me

1st person pronoun.

सैन्यस्य (sainyasya) - of the army

(noun)

Genitive, neuter, singular of sainya

sainya - army, military force, soldier

`ṣyañ` suffix from `senā`.

संजय (saṁjaya) - O Sanjaya

(proper noun)

Vocative, masculine, singular of saṃjaya

saṁjaya - Sanjaya (name of Dhritarashtra's charioteer), victorious

प्रविभज्य (pravibhajya) - having divided, after distributing

(indeclinable participle)

यथान्यायम् (yathānyāyam) - according to justice, properly, appropriately

(indeclinable)

Avyayībhāva compound.

Compound type : avyayībhāva (yathā+nyāya)

• yathā – as, according to, just as
  indeclinable
• nyāya – justice, rule, method, logical argument
  noun (masculine)

कथम् (katham) - how, in what manner

(indeclinable)

वा (vā) - or

(indeclinable)

समवस्थिताः (samavasthitāḥ) - were arrayed, positioned, stood (plural)

(participle)

Nominative, masculine, plural of samavasthita

sthā - to stand, to be, to be situated

Past Passive Participle

From root `sthā` with prefixes `sam` and `ava`.

Prefixes: sam+ava

Root: sthā (class 1)

Note: Functions as a finite verb in this context, referring to the state of being arrayed.