महाभारतः mahābhārataḥ - book-6, chapter-61, verse-4

यत्र भीष्ममुखाञ्शूरानस्त्रज्ञान्योधसत्तमान् ।
पाण्डवानामनीकानि योधयन्ति प्रहारिणः ॥४॥

4. yatra bhīṣmamukhāñśūrānastrajñānyodhasattamān ,
pāṇḍavānāmanīkāni yodhayanti prahāriṇaḥ.

4. yatra bhīṣmamukhān śūrān astrajñān yodhasattamān
pāṇḍavānām anīkāni yodhayanti prahāriṇaḥ

4. yatra prahāriṇaḥ bhīṣmamukhān śūrān astrajñān
yodhasattamān pāṇḍavānām anīkāni yodhayanti

4. Where the attackers are fighting the armies of the Pāṇḍavas, which include heroes with Bhīṣma as their chief, who are skilled in weaponry and are the foremost among warriors.

Words meanings summery:

• यत्र (yatra) - where, in which place

• भीष्ममुखान् (bhīṣmamukhān) - referring to warriors led by Bhishma (Bhishma as chief, having Bhishma at the front)

• शूरान् (śūrān) - heroes, brave ones

• अस्त्रज्ञान् (astrajñān) - weapon-knowers, skilled in weapons

• योधसत्तमान् (yodhasattamān) - best of warriors, foremost warriors

• पाण्डवानाम् (pāṇḍavānām) - of the sons of Pāṇḍu, of the Pāṇḍavas

• अनीकानि (anīkāni) - armies, troops, battle arrays

• योधयन्ति (yodhayanti) - they are fighting (implying 'engage in battle with') (they fight, they cause to fight)

• प्रहारिणः (prahāriṇaḥ) - the attacking warriors (the Kauravas or their allies implied) (attackers, strikers)

Words meanings and morphology

यत्र (yatra) - where, in which place

(indeclinable)

भीष्ममुखान् (bhīṣmamukhān) - referring to warriors led by Bhishma (Bhishma as chief, having Bhishma at the front)

(adjective)

Accusative, masculine, plural of bhīṣmamukha

bhīṣmamukha - having Bhishma as chief, Bhishma-faced

Compound type : bahuvrīhi (bhīṣma+mukha)

• bhīṣma – Bhishma (name of a Kuru patriarch)
  proper noun (masculine)
• mukha – face, mouth, chief, front, leader
  noun (neuter)

शूरान् (śūrān) - heroes, brave ones

(noun)

Accusative, masculine, plural of śūra

śūra - brave, heroic, a hero, a warrior

अस्त्रज्ञान् (astrajñān) - weapon-knowers, skilled in weapons

(adjective)

Accusative, masculine, plural of astrajña

astrajña - knowing weapons, skilled in missiles

Compound type : tatpurusha (astra+jña)

• astra – weapon, missile
  noun (neuter)
• jña – knowing, skilled in, acquainted with
  adjective (masculine)
  derived from root jñā (to know)
  Root: jñā (class 9)

योधसत्तमान् (yodhasattamān) - best of warriors, foremost warriors

(adjective)

Accusative, masculine, plural of yodhasattama

yodhasattama - best of warriors

Compound type : tatpurusha (yodha+sattama)

• yodha – warrior, fighter
  noun (masculine)
  derived from root yudh (to fight)
  Root: yudh (class 4)
• sattama – best, excellent, most eminent
  adjective (masculine)
  superlative suffix -tama

पाण्डवानाम् (pāṇḍavānām) - of the sons of Pāṇḍu, of the Pāṇḍavas

(proper noun)

Genitive, masculine, plural of pāṇḍava

pāṇḍava - a descendant of Pāṇḍu, son of Pāṇḍu, Pāṇḍava

patronymic derivative from Pāṇḍu

अनीकानि (anīkāni) - armies, troops, battle arrays

(noun)

Accusative, neuter, plural of anīka

anīka - army, host, troops, battle array

Note: Direct object of `yodhayanti`

योधयन्ति (yodhayanti) - they are fighting (implying 'engage in battle with') (they fight, they cause to fight)

(verb)

3rd person , plural, active, present (laṭ) of yudh

Causal stem `yodhaya`

Causal, present active 3rd plural

Root: yudh (class 4)

प्रहारिणः (prahāriṇaḥ) - the attacking warriors (the Kauravas or their allies implied) (attackers, strikers)

(noun)

Nominative, masculine, plural of prahārin

prahārin - striking, attacking, a striker, an attacker

Agent noun (suffix -in) from `pra-hṛ`

Derived from root `hṛ` with prefix `pra`

Prefix: pra

Root: hṛ (class 1)