महाभारतः mahābhārataḥ - book-7, chapter-86, verse-48

यत्र स्थास्यति संग्रामे पार्षतः परवीरहा ।
न द्रोणसैन्यं बलवत्क्रामेत्तत्र कथंचन ॥४८॥

48. yatra sthāsyati saṁgrāme pārṣataḥ paravīrahā ,
na droṇasainyaṁ balavatkrāmettatra kathaṁcana.

48. yatra sthāsyati saṃgrāme pārṣataḥ paravīrahā na
droṇasainyam balavat krāmet tatra kathaṃcana

48. yatra saṃgrāme paravīrahā pārṣataḥ sthāsyati,
tatra balavat droṇasainyam kathaṃcana na krāmet

48. Wherever Pārṣata, the slayer of enemy heroes, stands in battle, Drona's powerful army will certainly not be able to cross that line by any means.

Words meanings summery:

• यत्र (yatra) - where, in which place

• स्थास्यति (sthāsyati) - will stand, will remain, will be present

• संग्रामे (saṁgrāme) - in battle, in war, in combat

• पार्षतः (pārṣataḥ) - An epithet for Dhṛṣṭadyumna. (Pārṣata (son of Pṛṣata/Drupada), Dhṛṣṭadyumna)

• परवीरहा (paravīrahā) - An epithet for Pārṣata (Dhṛṣṭadyumna), highlighting his martial prowess. (slayer of enemy heroes)

• न (na) - not, no

• द्रोणसैन्यम् (droṇasainyam) - The military force commanded by Drona. (Drona's army)

• बलवत् (balavat) - Describing the strength of Drona's army. (strong, powerful, mighty)

• क्रामेत् (krāmet) - would step, would cross, would transgress, would approach

• तत्र (tatra) - Refers to the place where Pārṣata stands, corresponding to yatra. (there, in that place)

• कथंचन (kathaṁcana) - Emphasizes the impossibility of Drona's army transgressing. (by any means, in any way, at all)

Words meanings and morphology

यत्र (yatra) - where, in which place

(indeclinable)

Locative of relative pronominal stem ya.

स्थास्यति (sthāsyati) - will stand, will remain, will be present

(verb)

3rd person , singular, active, future (lṛṭ) of sthā

Root: sthā (class 1)

संग्रामे (saṁgrāme) - in battle, in war, in combat

(noun)

Locative, masculine, singular of saṃgrāma

saṁgrāma - battle, war, conflict, encounter, assembly of forces

From sam + grām (to unite, collect), or sam + grāma (village) meaning 'gathering together for war'

Prefix: sam

Root: grām

पार्षतः (pārṣataḥ) - An epithet for Dhṛṣṭadyumna. (Pārṣata (son of Pṛṣata/Drupada), Dhṛṣṭadyumna)

(proper noun)

Nominative, masculine, singular of pārṣata

pārṣata - son of Pṛṣata (Drupada); Dhṛṣṭadyumna

Derived from pṛṣata (name of Drupada) by patronymic suffix.

परवीरहा (paravīrahā) - An epithet for Pārṣata (Dhṛṣṭadyumna), highlighting his martial prowess. (slayer of enemy heroes)

(noun)

Nominative, masculine, singular of paravīrahan

paravīrahan - killer of hostile heroes, destroyer of enemy warriors

Compound of para (enemy) + vīra (hero) + han (killer).

Compound type : upapada-tatpuruṣa (para+vīra+han)

• para – other, enemy, hostile
  adjective
• vīra – hero, brave man, warrior
  noun (masculine)
• han – killer, slayer, destroyer
  noun (masculine)
  Agent noun
  Derived from root han (to strike, kill)
  Root: han (class 2)

Note: Agrees with pārṣataḥ.

न (na) - not, no

(indeclinable)

Note: Negates the verb krāmet.

द्रोणसैन्यम् (droṇasainyam) - The military force commanded by Drona. (Drona's army)

(noun)

Nominative, neuter, singular of droṇasainya

droṇasainya - Drona's army; the army belonging to Drona

Compound of droṇa (Drona) + sainya (army).

Compound type : ṣaṣṭhī-tatpuruṣa (droṇa+sainya)

• droṇa – Drona (name of a preceptor)
  proper noun (masculine)
  Root: dru (class 1)
• sainya – army, military host, pertaining to an army
  noun (neuter)
  From senā (army) + suffix ya.

Note: Subject of krāmet.

बलवत् (balavat) - Describing the strength of Drona's army. (strong, powerful, mighty)

(adjective)

Nominative, neuter, singular of balavat

balavat - strong, powerful, mighty, endowed with strength

Possessive suffix mat/vat from bala (strength).

Note: Agrees with droṇasainyam.

क्रामेत् (krāmet) - would step, would cross, would transgress, would approach

(verb)

3rd person , singular, active, optative (vidhiliṅ) of kram

Root: kram (class 1)

Note: The potential mood (optative) with na suggests impossibility.

तत्र (tatra) - Refers to the place where Pārṣata stands, corresponding to yatra. (there, in that place)

(indeclinable)

Locative of pronominal stem tad.

Note: Corresponds to yatra.

कथंचन (kathaṁcana) - Emphasizes the impossibility of Drona's army transgressing. (by any means, in any way, at all)

(indeclinable)

From katham (how) + cana (an emphasizing particle).