महाभारतः mahābhārataḥ - book-3, chapter-22, verse-19

एतेषु हि नरव्याघ्र जीवत्सु न कथंचन ।
शक्यः शूरसुतो हन्तुमपि वज्रभृता स्वयम् ॥१९॥

19. eteṣu hi naravyāghra jīvatsu na kathaṁcana ,
śakyaḥ śūrasuto hantumapi vajrabhṛtā svayam.

19. eteṣu hi naravyāghra jīvatsu na kathaṃcana
śakyaḥ śūrasutaḥ hantum api vajrabhṛtā svayam

19. Indeed, O tiger among men, as long as these heroes are alive, the son of Shura (Krishna) cannot be killed by any means, not even by the wielder of the thunderbolt (Indra) himself.

Words meanings summery:

• एतेषु (eteṣu) - in these, among these

• हि (hi) - indeed, surely, because

• नरव्याघ्र (naravyāghra) - O Arjuna (O tiger among men, O best of men)

• जीवत्सु (jīvatsu) - as long as these heroes are alive (while living, among those living)

• न (na) - not, no

• कथंचन (kathaṁcana) - by no means (in any way, by any means, by no means)

• शक्यः (śakyaḥ) - is possible (to be killed) (capable, possible, able (to be done))

• शूरसुतः (śūrasutaḥ) - Krishna (son of Shura)

• हन्तुम् (hantum) - to be killed (to kill, to strike)

• अपि (api) - even, also, too

• वज्रभृता (vajrabhṛtā) - by Indra (by the wielder of the thunderbolt)

• स्वयम् (svayam) - oneself, by oneself, personally

Words meanings and morphology

एतेषु (eteṣu) - in these, among these

(pronoun)

Locative, masculine, plural of etad

etad - this, these

हि (hi) - indeed, surely, because

(indeclinable)

नरव्याघ्र (naravyāghra) - O Arjuna (O tiger among men, O best of men)

(noun)

Vocative, masculine, singular of naravyāghra

naravyāghra - tiger among men, best of men

Compound type : tatpuruṣa (nara+vyāghra)

• nara – man, human
  noun (masculine)
• vyāghra – tiger
  noun (masculine)

Note: Refers to Arjuna.

जीवत्सु (jīvatsu) - as long as these heroes are alive (while living, among those living)

(adjective)

Locative, masculine, plural of jīvat

jīvat - living, alive

Present Active Participle

Derived from verb root jīv (to live)

Root: jīv (class 1)

Note: Part of a locative absolute construction with 'eteṣu'.

न (na) - not, no

(indeclinable)

कथंचन (kathaṁcana) - by no means (in any way, by any means, by no means)

(indeclinable)

शक्यः (śakyaḥ) - is possible (to be killed) (capable, possible, able (to be done))

(adjective)

Nominative, masculine, singular of śakya

śakya - possible, able, feasible, capable of

Gerundive/Nomen Agentis

Derived from verb root śak (to be able)

Root: śak (class 5)

Note: Predicate adjective, 'is possible'.

शूरसुतः (śūrasutaḥ) - Krishna (son of Shura)

(proper noun)

Nominative, masculine, singular of śūrasuta

śūrasuta - son of Shura

Compound type : tatpuruṣa (śūra+suta)

• śūra – hero, valiant, name of a Yadava king
  proper noun (masculine)
• suta – son, produced, born
  noun (masculine)
  Past Passive Participle
  Derived from su (to procreate, produce)
  Root: su (class 2)

Note: Refers to Krishna.

हन्तुम् (hantum) - to be killed (to kill, to strike)

(indeclinable)

infinitive

Infinitive of root han (to kill)

Root: han (class 2)

Note: Used with śakyaḥ in a passive sense: 'is possible to be killed'.

अपि (api) - even, also, too

(indeclinable)

वज्रभृता (vajrabhṛtā) - by Indra (by the wielder of the thunderbolt)

(proper noun)

Instrumental, masculine, singular of vajrabhṛt

vajrabhṛt - wielder of the thunderbolt

Compound type : upapada tatpuruṣa (vajra+bhṛt)

• vajra – thunderbolt, diamond
  noun (masculine)
• bhṛt – bearing, carrying, holding
  adjective
  agent noun / suffix
  Derived from root bhṛ (to bear, carry)
  Root: bhṛ (class 3)

स्वयम् (svayam) - oneself, by oneself, personally

(indeclinable)