महाभारतः mahābhārataḥ - book-5, chapter-50, verse-25

अपारमप्लवागाधं समुद्रं शरवेगिनम् ।
भीमसेनमयं दुर्गं तात मन्दास्तितीर्षवः ॥२५॥

25. apāramaplavāgādhaṁ samudraṁ śaraveginam ,
bhīmasenamayaṁ durgaṁ tāta mandāstitīrṣavaḥ.

25. apāram aplavāgādham samudram śaraveginam
bhīmasenamayam durgam tāta mandāḥ titīrṣavaḥ

25. My dear son (tāta), those foolish ones (mandāḥ) desire to cross a boundless (apāram), unfathomably deep (aplavāgādham) ocean, swift as an arrow (śaraveginam), which is essentially a fortress (durgam) composed of Bhīmasena (bhīmasenamayam).

Words meanings summery:

• अपारम् (apāram) - boundless (boundless, shoreless, endless)

• अप्लवागाधम् (aplavāgādham) - unfathomably deep (without a boat and unfathomably deep, unfordable and deep)

• समुद्रम् (samudram) - ocean (ocean, sea)

• शरवेगिनम् (śaraveginam) - swift as an arrow (swift as an arrow, quick as an arrow)

• भीमसेनमयम् (bhīmasenamayam) - consisting of Bhīmasena (made of Bhīmasena, consisting of Bhīmasena)

• दुर्गम् (durgam) - a fortress (fortress, difficult to access, stronghold)

• तात (tāta) - my dear son (dear one, father, son, sir)

• मन्दाः (mandāḥ) - foolish ones (dull-witted, slow, foolish, stupid)

• तितीर्षवः (titīrṣavaḥ) - desire to cross (desirous of crossing, wishing to cross)

Words meanings and morphology

अपारम् (apāram) - boundless (boundless, shoreless, endless)

(adjective)

Accusative, masculine, singular of apāra

apāra - boundless, shoreless, endless, immense

Compound of 'a' (negation) and 'pāra' (shore, limit).

Compound type : nañ-tatpuruṣa (a+pāra)

• a – not, un-, in-
  indeclinable
• pāra – shore, limit, boundary, end
  noun (masculine)

Note: Agrees with `samudram` and `durgam`.

अप्लवागाधम् (aplavāgādham) - unfathomably deep (without a boat and unfathomably deep, unfordable and deep)

(adjective)

Accusative, masculine, singular of aplavāgādha

aplavāgādha - without a boat and unfathomably deep, unfordable and deep

Compound of 'aplava' (without a boat) and 'agādha' (unfathomable, deep).

Compound type : descriptive compound (karmadhāraya) (aplava+agādha)

• aplava – without a boat, unnavigable
  adjective (masculine)
  Nañ-tatpuruṣa compound of 'a' (negation) and 'plava' (boat).
• agādha – unfathomable, very deep, bottomless
  adjective (masculine)
  Nañ-tatpuruṣa compound of 'a' (negation) and 'gādha' (ford, depth).

Note: Agrees with `samudram` and `durgam`.

समुद्रम् (samudram) - ocean (ocean, sea)

(noun)

Accusative, masculine, singular of samudra

samudra - ocean, sea, large body of water

शरवेगिनम् (śaraveginam) - swift as an arrow (swift as an arrow, quick as an arrow)

(adjective)

Accusative, masculine, singular of śaravegin

śaravegin - swift as an arrow, arrow-swift

Compound of 'śara' (arrow) and 'vegin' (swift).

Compound type : bahuvrīhi (śara+vegin)

• śara – arrow, reed, dart
  noun (masculine)
• vegin – swift, quick, rapid, impetuous
  adjective (masculine)
  From 'vega' (speed) with suffix '-in'.

Note: Agrees with `samudram` and `durgam`.

भीमसेनमयम् (bhīmasenamayam) - consisting of Bhīmasena (made of Bhīmasena, consisting of Bhīmasena)

(adjective)

Accusative, masculine, singular of bhīmasenamaya

bhīmasenamaya - made of Bhīmasena, consisting of Bhīmasena

Compound of 'Bhīmasena' and suffix '-maya' (made of, consisting of).

Compound type : tatpuruṣa (bhīmasena+maya)

• bhīmasena – Bhīmasena (name of a Pāṇḍava hero)
  proper noun (masculine)
• maya – made of, consisting of, full of
  suffix forming adjective (masculine)
  Suffix -maya to form adjectives indicating material or composition.

Note: Agrees with `durgam` (and `samudram`).

दुर्गम् (durgam) - a fortress (fortress, difficult to access, stronghold)

(noun)

Accusative, neuter, singular of durga

durga - fortress, stronghold, difficult to pass, inaccessible place

Compound of 'dur' (difficult) and root 'gam' (to go).

Compound type : tatpuruṣa (dur+gam)

• dur – bad, ill, difficult
  indeclinable
  Prefix indicating difficulty or badness.
• gam – to go, move
  verb
  Verbal root.
  Root: gam (class 1)

Note: Refers to the ocean, being like a fortress.

तात (tāta) - my dear son (dear one, father, son, sir)

(noun)

Vocative, masculine, singular of tāta

tāta - father, dear one, son, sir (term of endearment or respect)

Note: Used by Sañjaya to address Dhṛtarāṣṭra with respect and endearment, often translated as 'my dear son' in this context.

मन्दाः (mandāḥ) - foolish ones (dull-witted, slow, foolish, stupid)

(adjective)

Nominative, masculine, plural of manda

manda - slow, dull, sluggish, foolish, weak

Note: Refers to Dhṛtarāṣṭra's sons.

तितीर्षवः (titīrṣavaḥ) - desire to cross (desirous of crossing, wishing to cross)

(adjective)

Nominative, masculine, plural of titīrṣu

titīrṣu - desirous of crossing, wishing to cross, wishing to overcome

Desiderative participle/adjective

From desiderative stem of root 'tṛ' (to cross) + suffix '-u'.

Root: tṛ (class 1)

Note: Agrees with `mandāḥ`.