महाभारतः mahābhārataḥ - book-12, chapter-290, verse-68

वेदान्तगमनद्वीपं सर्वभूतदयोदधिम् ।
मोक्षदुष्प्रापविषयं वडवामुखसागरम् ॥६८॥

68. vedāntagamanadvīpaṁ sarvabhūtadayodadhim ,
mokṣaduṣprāpaviṣayaṁ vaḍavāmukhasāgaram.

68. vedānta-gamana-dvīpam sarva-bhūta-dayā-udadhim
mokṣa-duṣprāpa-viṣayam vaḍavāmukha-sāgaram

68. vedānta-gamana-dvīpam sarva-bhūta-dayā-udadhim
mokṣa-duṣprāpa-viṣayam vaḍavāmukha-sāgaram

68. [It is] an island accessible by the path of Vedānta, an ocean where compassion for all beings is cultivated, whose difficult-to-obtain goal is final liberation (mokṣa), and which is ultimately the ocean with its submarine fire.

Words meanings summery:

• वेदान्त-गमन-द्वीपम् (vedānta-gamana-dvīpam) - an island accessible by the path of Vedānta (an island reached by the path of Vedānta)

• सर्व-भूत-दया-उदधिम् (sarva-bhūta-dayā-udadhim) - an ocean where compassion for all beings is cultivated (an ocean of compassion for all beings)

• मोक्ष-दुष्प्राप-विषयम् (mokṣa-duṣprāpa-viṣayam) - whose difficult-to-obtain goal is final liberation (mokṣa) (having liberation as a difficult-to-obtain object)

• वडवामुख-सागरम् (vaḍavāmukha-sāgaram) - the ocean with its submarine fire (vaḍavāmukha) (an ocean with a submarine fire)

Words meanings and morphology

वेदान्त-गमन-द्वीपम् (vedānta-gamana-dvīpam) - an island accessible by the path of Vedānta (an island reached by the path of Vedānta)

(noun)

Accusative, neuter, singular of vedāntagamanadvīpa

vedāntagamanadvīpa - island of Vedānta-going

'vedānta' (Vedānta) + 'gamana' (going, path) + 'dvīpa' (island).

Compound type : tatpuruṣa (vedānta+gamana+dvīpa)

• vedānta – Vedanta (end of the Vedas, a school of philosophy)
  noun (masculine)
  Veda + anta (end)
• gamana – going, movement, path
  noun (neuter)
  From root 'gam' (to go)
  Root: gam (class 1)
• dvīpa – island, continent
  noun (masculine)

Note: Compound adjective.

सर्व-भूत-दया-उदधिम् (sarva-bhūta-dayā-udadhim) - an ocean where compassion for all beings is cultivated (an ocean of compassion for all beings)

(noun)

Accusative, masculine, singular of sarvabhūtadayodadhi

sarvabhūtadayodadhi - ocean of compassion for all beings

'sarva' (all) + 'bhūta' (beings) + 'dayā' (compassion) + 'udadhi' (ocean).

Compound type : tatpuruṣa (sarva+bhūta+dayā+udadhi)

• sarva – all, every
  pronoun (masculine)
• bhūta – being, creature, element
  noun (neuter)
  Past Passive Participle
  From root 'bhū' (to be)
  Root: bhū (class 1)
• dayā – compassion, pity, mercy
  noun (feminine)
  From root 'day' (to pity)
  Root: day (class 1)
• udadhi – ocean, sea
  noun (masculine)
  From roots 'ud' (up) + 'ā' (towards) + 'dhā' (to place/hold).
  Prefixes: ud+ā
  Root: dhā (class 3)

Note: Compound adjective.

मोक्ष-दुष्प्राप-विषयम् (mokṣa-duṣprāpa-viṣayam) - whose difficult-to-obtain goal is final liberation (mokṣa) (having liberation as a difficult-to-obtain object)

(noun)

Accusative, neuter, singular of mokṣaduṣprāpaviṣaya

mokṣaduṣprāpaviṣaya - object for which liberation is difficult to obtain

'mokṣa' (liberation) + 'duṣprāpa' (difficult to obtain) + 'viṣaya' (object/sphere).

Compound type : tatpuruṣa (mokṣa+duṣprāpa+viṣaya)

• mokṣa – liberation, release, freedom
  noun (masculine)
  From root 'muc' (to release)
  Root: muc (class 6)
• duṣprāpa – difficult to obtain, hard to reach
  adjective (masculine)
  'dus-' (difficult) + 'prāpa' (obtainable, from pra-āp).
  Prefixes: dus+pra
  Root: āp (class 5)
• viṣaya – object, sphere, domain, aim
  noun (masculine)

Note: Compound adjective.

वडवामुख-सागरम् (vaḍavāmukha-sāgaram) - the ocean with its submarine fire (vaḍavāmukha) (an ocean with a submarine fire)

(noun)

Accusative, masculine, singular of vaḍavāmukhasāgara

vaḍavāmukhasāgara - ocean with a submarine fire

'vaḍavāmukha' (submarine fire) + 'sāgara' (ocean).

Compound type : tatpuruṣa (vaḍavāmukha+sāgara)

• vaḍavāmukha – submarine fire, mare's mouth
  noun (masculine)
• sāgara – ocean, sea
  noun (masculine)

Note: The final word which the previous adjectives modify, identifying the object as an ocean.