महाभारतः mahābhārataḥ - book-7, chapter-164, verse-67

नैष युद्धेन संग्रामे जेतुं शक्यः कथंचन ।
अपि वृत्रहणा युद्धे रथयूथपयूथपः ॥६७॥

67. naiṣa yuddhena saṁgrāme jetuṁ śakyaḥ kathaṁcana ,
api vṛtrahaṇā yuddhe rathayūthapayūthapaḥ.

67. na eṣaḥ yuddhena saṅgrāme jetum śakyaḥ kathaṃcana
api vṛtrahaṇā yuddhe rathayūthapayūthapaḥ

67. eṣaḥ rathayūthapayūthapaḥ saṅgrāme yuddhena
kathaṃcana jetum śakyaḥ na api vṛtrahaṇā yuddhe

67. This one (Droṇa), the leader among the leaders of chariot divisions, cannot be conquered in battle by any means, not even by Vṛtrahaṇ (Indra) himself.

Words meanings summery:

• न (na) - not, no

• एषः (eṣaḥ) - this one (referring to Droṇa) (this one, he)

• युद्धेन (yuddhena) - by battle, by fighting, by combat

• सङ्ग्रामे (saṅgrāme) - in battle, in combat

• जेतुम् (jetum) - to conquer, to defeat

• शक्यः (śakyaḥ) - possible, capable of being (conquered)

• कथंचन (kathaṁcana) - by any means, in any way, somehow

• अपि (api) - even, also

• वृत्रहणा (vṛtrahaṇā) - by Vṛtrahan (Indra, the killer of Vṛtra)

• युद्धे (yuddhe) - in battle, in combat

• रथयूथपयूथपः (rathayūthapayūthapaḥ) - the leader of leaders of chariot divisions

Words meanings and morphology

न (na) - not, no

(indeclinable)

एषः (eṣaḥ) - this one (referring to Droṇa) (this one, he)

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one, he, she, it

युद्धेन (yuddhena) - by battle, by fighting, by combat

(noun)

Instrumental, neuter, singular of yuddha

yuddha - battle, fight, war, combat

सङ्ग्रामे (saṅgrāme) - in battle, in combat

(noun)

Locative, masculine, singular of saṅgrāma

saṅgrāma - battle, war, combat

जेतुम् (jetum) - to conquer, to defeat

(indeclinable)

Infinitive

Formed from root √ji (to conquer, win) with suffix -tum.

Root: ji (class 1)

शक्यः (śakyaḥ) - possible, capable of being (conquered)

(adjective)

Nominative, masculine, singular of śakya

śakya - possible, capable, practicable, able to be done

Gerundive (Potential Passive Participle)

Formed from root √śak (to be able) with suffix -ya.

Root: śak (class 5)

कथंचन (kathaṁcana) - by any means, in any way, somehow

(indeclinable)

अपि (api) - even, also

(indeclinable)

वृत्रहणा (vṛtrahaṇā) - by Vṛtrahan (Indra, the killer of Vṛtra)

(proper noun)

Instrumental, masculine, singular of vṛtrahan

vṛtrahan - Vṛtrahan (epithet of Indra, the killer of the demon Vṛtra)

युद्धे (yuddhe) - in battle, in combat

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, fight, war, combat

रथयूथपयूथपः (rathayūthapayūthapaḥ) - the leader of leaders of chariot divisions

(noun)

Nominative, masculine, singular of rathayūthapayūthapa

rathayūthapayūthapa - leader of the leaders of chariot divisions

Compound type : tatpuruṣa (ratha+yūthapa+yūthapa)

• ratha – chariot
  noun (masculine)
• yūthapa – leader of a troop/division
  noun (masculine)
• yūthapa – leader of a troop/division
  noun (masculine)