महाभारतः mahābhārataḥ - book-3, chapter-41, verse-14

नैतद्वेद महेन्द्रोऽपि न यमो न च यक्षराट् ।
वरुणो वाथ वा वायुः कुतो वेत्स्यन्ति मानवाः ॥१४॥

14. naitadveda mahendro'pi na yamo na ca yakṣarāṭ ,
varuṇo vātha vā vāyuḥ kuto vetsyanti mānavāḥ.

14. na etat veda mahendraḥ api na yamaḥ na ca yakṣarāṭ
varuṇaḥ vā atha vā vāyuḥ kutaḥ vetsyanti mānavāḥ

14. Not even Mahendra knows this, nor Yama, nor the king of Yakṣas; nor Varuṇa, nor Vāyu. How then will humans know it?

Words meanings summery:

• न (na) - not (not, no)

• एतत् (etat) - this (the secret of the weapon) (this, that)

• वेद (veda) - knows (knows, understands)

• महेन्द्रः (mahendraḥ) - Mahendra (the chief of the gods, Indra) (the great Indra)

• अपि (api) - even (also, even, too)

• न (na) - nor (not, nor)

• यमः (yamaḥ) - Yama (Yama (god of death))

• न (na) - nor (not, nor)

• च (ca) - and (here implying 'nor') (and)

• यक्षराट् (yakṣarāṭ) - the king of Yakṣas (Kubera) (king of Yakṣas)

• वरुणः (varuṇaḥ) - Varuṇa (Varuṇa (god of waters))

• वा (vā) - or (used repeatedly to negate several options) (or)

• अथ (atha) - then (used to introduce another option in a list) (then, now, moreover)

• वा (vā) - or

• वायुः (vāyuḥ) - Vāyu (Vāyu (god of wind))

• कुतः (kutaḥ) - how then (whence, how, from where)

• वेत्स्यन्ति (vetsyanti) - will know (they will know)

• मानवाः (mānavāḥ) - humans (humans, descendants of Manu)

Words meanings and morphology

न (na) - not (not, no)

(indeclinable)

Note: Negates the verb veda.

एतत् (etat) - this (the secret of the weapon) (this, that)

(pronoun)

Accusative, neuter, singular of etad

etad - this, that

Note: Direct object of veda.

वेद (veda) - knows (knows, understands)

(verb)

3rd person , singular, active, present (laṭ) of vid

Root: vid (class 2)

महेन्द्रः (mahendraḥ) - Mahendra (the chief of the gods, Indra) (the great Indra)

(proper noun)

Nominative, masculine, singular of mahendra

mahendra - the great Indra

Compound type : karmadhāraya (mahā+indra)

• mahā – great, mighty
  adjective (feminine)
• indra – Indra (name of a Vedic deity)
  proper noun (masculine)

Note: Subject of veda.

अपि (api) - even (also, even, too)

(indeclinable)

Note: Emphasizes that even Mahendra does not know.

न (na) - nor (not, nor)

(indeclinable)

Note: Connects the negated clauses.

यमः (yamaḥ) - Yama (Yama (god of death))

(proper noun)

Nominative, masculine, singular of yama

yama - Yama, god of death, controller

Note: Another subject of the implied 'veda'.

न (na) - nor (not, nor)

(indeclinable)

Note: Connects the negated clauses.

च (ca) - and (here implying 'nor') (and)

(indeclinable)

Note: Used with 'na' to form 'neither...nor...' structure.

यक्षराट् (yakṣarāṭ) - the king of Yakṣas (Kubera) (king of Yakṣas)

(proper noun)

Nominative, masculine, singular of yakṣarāj

yakṣarāj - king of Yakṣas

Compound type : tatpuruṣa (yakṣa+rājan)

• yakṣa – a class of demigods, often guardians of wealth
  noun (masculine)
• rājan – king, ruler
  noun (masculine)

Note: Refers to Kubera. Sandhi 'ṭ' from 'j' at end of compound.

वरुणः (varuṇaḥ) - Varuṇa (Varuṇa (god of waters))

(proper noun)

Nominative, masculine, singular of varuṇa

varuṇa - Varuṇa, god of waters

Note: Another subject of the implied 'veda' or 'vetsyanti'.

वा (vā) - or (used repeatedly to negate several options) (or)

(indeclinable)

Note: Used to list alternatives, here in a rhetorical negative.

अथ (atha) - then (used to introduce another option in a list) (then, now, moreover)

(indeclinable)

Note: Connects the series of gods, similar to 'or else'.

वा (vā) - or

(indeclinable)

Note: Used to list alternatives.

वायुः (vāyuḥ) - Vāyu (Vāyu (god of wind))

(proper noun)

Nominative, masculine, singular of vāyu

vāyu - Vāyu, god of wind

Note: Another subject of the implied 'veda' or 'vetsyanti'.

कुतः (kutaḥ) - how then (whence, how, from where)

(indeclinable)

Note: Interrogative adverb, indicating rhetorical question.

वेत्स्यन्ति (vetsyanti) - will know (they will know)

(verb)

3rd person , plural, active, future (lṛṭ) of vid

Root: vid (class 2)

Note: Verb for mānavāḥ.

मानवाः (mānavāḥ) - humans (humans, descendants of Manu)

(noun)

Nominative, masculine, plural of mānava

mānava - human, descendant of Manu

Manu + a (taddhita suffix)

Note: Subject of vetsyanti.