महाभारतः mahābhārataḥ - book-5, chapter-194, verse-4

अप्रधृष्यमनावार्यमुद्वृत्तमिव सागरम् ।
सेनासागरमक्षोभ्यमपि देवैर्महाहवे ॥४॥

4. apradhṛṣyamanāvāryamudvṛttamiva sāgaram ,
senāsāgaramakṣobhyamapi devairmahāhave.

4. apradhṛṣyam anāvāryam udvṛttam iva sāgaram
senāsāgaram akṣobhyam api devaiḥ mahāhave

4. senāsāgaram apradhṛṣyam anāvāryam udvṛttam
sāgaram iva mahāhave devaiḥ api akṣobhyam

4. This ocean-like army (senāsāgaram) is irresistible, unstoppable, and unshakable even by the gods in a great battle, just like an overflowing ocean.

Words meanings summery:

• अप्रधृष्यम् (apradhṛṣyam) - irresistible (irresistible, unconquerable, unassailable)

• अनावार्यम् (anāvāryam) - unstoppable (unstoppable, unpreventable, uncheckable)

• उद्वृत्तम् (udvṛttam) - overflowing (overflowing, swollen, risen, out of bounds)

• इव (iva) - like (like, as, as if)

• सागरम् (sāgaram) - ocean (ocean, sea)

• सेनासागरम् (senāsāgaram) - ocean-like army (ocean of an army, army-ocean)

• अक्षोभ्यम् (akṣobhyam) - unshakable (unshakable, imperturbable, not to be agitated)

• अपि (api) - even (even, also, too)

• देवैः (devaiḥ) - by the gods

• महाहवे (mahāhave) - in a great battle (in a great battle, in a great conflict)

Words meanings and morphology

अप्रधृष्यम् (apradhṛṣyam) - irresistible (irresistible, unconquerable, unassailable)

(adjective)

Accusative, neuter, singular of apradhṛṣya

apradhṛṣya - unconquerable, irresistible, unassailable

Gerundive (Potential Passive Participle)

Formed from pra-√dhṛṣ (to be bold, venture) with the prefix 'a-' (negation) and suffix '-ya' (gerundive). Meaning 'not to be assaulted/conquered'.

Compound type : Nañ-tatpuruṣa (a+pradhṛṣya)

• a – not, non, un-
  indeclinable
• pradhṛṣya – assailable, conquerable, to be attacked
  adjective (masculine)
  Gerundive
  From pra-√dhṛṣ with gerundive suffix.
  Prefix: pra
  Root: dhṛṣ (class 5)

Note: Qualifies 'senāsāgaram'.

अनावार्यम् (anāvāryam) - unstoppable (unstoppable, unpreventable, uncheckable)

(adjective)

Accusative, neuter, singular of anāvārya

anāvārya - unpreventable, unstoppable, not to be confined

Gerundive (Potential Passive Participle)

Formed from ā-√vṛ (to cover, enclose) with the prefix 'an-' (negation) and suffix '-ya' (gerundive). Meaning 'not to be prevented/stopped'.

Compound type : Nañ-tatpuruṣa (an+āvārya)

• an – not, non, un-
  indeclinable
• āvārya – to be prevented, to be stopped
  adjective (masculine)
  Gerundive
  From ā-√vṛ with gerundive suffix.
  Prefix: ā
  Root: vṛ (class 5)

Note: Qualifies 'senāsāgaram'.

उद्वृत्तम् (udvṛttam) - overflowing (overflowing, swollen, risen, out of bounds)

(adjective)

Accusative, neuter, singular of udvṛtta

udvṛtta - risen, swollen, overflowing, rebellious, transgressing

Past Passive Participle

From ud-√vṛt (to rise, swell).

Prefix: ud

Root: vṛt (class 1)

Note: Qualifies 'sāgaram' in the simile.

इव (iva) - like (like, as, as if)

(indeclinable)

Note: Particle of comparison.

सागरम् (sāgaram) - ocean (ocean, sea)

(noun)

Accusative, masculine, singular of sāgara

sāgara - ocean, sea, large water reservoir

From 'sa-gara', or related to 'Sagara' (a king).

Note: Object of comparison.

सेनासागरम् (senāsāgaram) - ocean-like army (ocean of an army, army-ocean)

(noun)

Accusative, masculine, singular of senāsāgara

senāsāgara - ocean-like army, a vast army

Compound type : Karmadhāraya (senā+sāgara)

• senā – army, host, forces
  noun (feminine)
• sāgara – ocean, sea
  noun (masculine)

Note: Subject of description, implied verb 'asti' (is).

अक्षोभ्यम् (akṣobhyam) - unshakable (unshakable, imperturbable, not to be agitated)

(adjective)

Accusative, neuter, singular of akṣobhya

akṣobhya - unshakable, imperturbable, not to be agitated

Gerundive (Potential Passive Participle)

Formed from 'a-' (negation) and √kṣubh (to tremble, to be agitated) with suffix '-ya' (gerundive). Meaning 'not to be agitated'.

Compound type : Nañ-tatpuruṣa (a+kṣobhya)

• a – not, non, un-
  indeclinable
• kṣobhya – to be agitated, capable of being shaken
  adjective (masculine)
  Gerundive
  From √kṣubh with gerundive suffix.
  Root: kṣubh (class 1)

Note: Qualifies 'senāsāgaram'.

अपि (api) - even (even, also, too)

(indeclinable)

Note: Intensifying particle.

देवैः (devaiḥ) - by the gods

(noun)

Instrumental, masculine, plural of deva

deva - god, deity, divine being

From √div (to shine).

Root: div (class 1)

Note: Agent in relation to the adjectives like 'akṣobhyam'.

महाहवे (mahāhave) - in a great battle (in a great battle, in a great conflict)

(noun)

Locative, masculine, singular of mahāhava

mahāhava - great battle, great war

Compound type : Karmadhāraya (mahā+hava)

• mahā – great, large, mighty
  adjective
  Stem of mahant.
• hava – battle, war, combat, fight
  noun (masculine)
  From √hu (to offer, sacrifice), sometimes associated with calling/challenge to battle.
  Root: hu (class 3)

Note: Denotes the place or occasion of the action.