महाभारतः mahābhārataḥ - book-7, chapter-28, verse-31

अनेनास्त्रेण ते गुप्तः सुतः परबलार्दनः ।
भविष्यति दुराधर्षः सर्वलोकेषु सर्वदा ॥३१॥

31. anenāstreṇa te guptaḥ sutaḥ parabalārdanaḥ ,
bhaviṣyati durādharṣaḥ sarvalokeṣu sarvadā.

31. anena astreṇa te guptaḥ sutaḥ parabalārdanaḥ
bhaviṣyati durādharṣaḥ sarvalokeṣu sarvadā

31. te sutaḥ anena astreṇa guptaḥ parabalārdanaḥ sarvadā sarvalokeṣu durādharṣaḥ bhaviṣyati.

31. Protected by this missile (astra), your son, the tormentor of enemy forces, will always be invincible in all worlds.

Words meanings summery:

• अनेन (anena) - by this (by this (masculine/neuter instrumental singular))

• अस्त्रेण (astreṇa) - by the missile (astra) (by the missile, by the weapon)

• ते (te) - your (your, to you, by you)

• गुप्तः (guptaḥ) - protected (protected, hidden, guarded)

• सुतः (sutaḥ) - son

• परबलार्दनः (parabalārdanaḥ) - tormentor of enemy forces (tormentor of enemy forces, destroyer of hostile armies)

• भविष्यति (bhaviṣyati) - will always be (will be, will become)

• दुराधर्षः (durādharṣaḥ) - invincible (difficult to attack, invincible, unassailable)

• सर्वलोकेषु (sarvalokeṣu) - in all worlds (in all worlds, among all people)

• सर्वदा (sarvadā) - always, at all times

Words meanings and morphology

अनेन (anena) - by this (by this (masculine/neuter instrumental singular))

(pronoun)

Instrumental, masculine, singular of idam

idam - this, this here

Demonstrative pronoun.

Note: Can be masculine or neuter instrumental singular. Here it refers to `astreṇa` (neuter).

अस्त्रेण (astreṇa) - by the missile (astra) (by the missile, by the weapon)

(noun)

Instrumental, neuter, singular of astra

astra - missile, weapon

Root: as (class 4)

ते (te) - your (your, to you, by you)

(pronoun)

Genitive, singular of yusmad

yusmad - you

Enclitic form of `yusmad` (2nd person pronoun).

Note: Can also be dative singular. Context indicates genitive.

गुप्तः (guptaḥ) - protected (protected, hidden, guarded)

(adjective)

Nominative, masculine, singular of gupta

gupta - protected, hidden, guarded

Past Passive Participle

Past passive participle of `√gup` (to protect, hide).

Root: gup (class 1)

Note: Agrees with `sutaḥ`.

सुतः (sutaḥ) - son

(noun)

Nominative, masculine, singular of suta

suta - a son, an offspring

Derived from `√sū` (to beget).

Root: sū (class 2)

परबलार्दनः (parabalārdanaḥ) - tormentor of enemy forces (tormentor of enemy forces, destroyer of hostile armies)

(noun)

Nominative, masculine, singular of parabalārdana

parabalārdana - tormentor of enemy forces, destroyer of hostile armies

Compound of `parabala` (enemy forces) and `ardana` (destroyer, tormentor).

Compound type : Ṣaṣṭhī-tatpuruṣa (parabala+ardana)

• parabala – enemy army, hostile forces
  noun (neuter)
  Compound of `para` (other, enemy) and `bala` (strength, army).
• ardana – destroyer, tormentor, oppressor
  noun (masculine)
  Agent noun
  Derived from `√ṛd` (to torment, vex).
  Root: ṛd (class 1)

भविष्यति (bhaviṣyati) - will always be (will be, will become)

(verb)

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

Future Active

3rd person singular future active of `√bhū`.

Root: bhū (class 1)

दुराधर्षः (durādharṣaḥ) - invincible (difficult to attack, invincible, unassailable)

(adjective)

Nominative, masculine, singular of durādharṣa

durādharṣa - difficult to attack, invincible, unassailable

Compound of `dur` (difficult) and `ādharṣa` (to be assailed).

Compound type : Prādi-tatpuruṣa (dur+ādharṣa)

• dur – bad, difficult, ill
  indeclinable
  Prefix indicating difficulty or badness.
• ādharṣa – attack, assailing
  noun (masculine)
  From `ā` + `√dhṛṣ`.
  Prefix: ā
  Root: dhṛṣ (class 1)

Note: Agrees with `sutaḥ`.

सर्वलोकेषु (sarvalokeṣu) - in all worlds (in all worlds, among all people)

(noun)

Locative, masculine, plural of sarvaloka

sarvaloka - all worlds, the whole world, all people

Compound of `sarva` (all) and `loka` (world).

Compound type : Karmadhāraya (sarva+loka)

• sarva – all, every, whole
  adjective (masculine)
• loka – world, realm, people
  noun (masculine)
  Root: lok (class 10)

सर्वदा (sarvadā) - always, at all times

(indeclinable)

Derived from `sarva` (all) + `dā` (suffix indicating 'at the time of').