योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-88, verse-3

अनन्तयत्नसंसाध्ये स चिन्तामणिसाधने ।
प्रवृत्तो वाडवो वह्निरब्धिसंशोषणे यथा ॥ ३ ॥

anantayatnasaṃsādhye sa cintāmaṇisādhane ,
pravṛtto vāḍavo vahnirabdhisaṃśoṣaṇe yathā 3

3. anantayatnasaṃsādhye saḥ cintāmaṇisādhane
pravṛttaḥ vāḍavaḥ vahniḥ abdhisamśoṣaṇe yathā

3. saḥ anantayatnasaṃsādhye cintāmaṇisādhane
pravṛttaḥ yathā vāḍavaḥ vahniḥ abdhisamśoṣaṇe

3. He engaged in the endeavor to attain the wish-fulfilling gem (cintāmaṇi), which requires endless effort, just as the submarine fire (vāḍava) strives to dry up the ocean.

Words meanings summery:

• अनन्तयत्नसंसाध्ये (anantayatnasaṁsādhye) - Refers to the endeavor to obtain the cintāmaṇi. (in that which is to be achieved by endless effort, in the accomplishment requiring infinite endeavor)

• सः (saḥ) - Refers to the man described in the previous verses. (he, that (person))

• चिन्तामणिसाधने (cintāmaṇisādhane) - Refers to the pursuit of ultimate wisdom or a powerful spiritual goal, symbolized by cintāmaṇi. (in the attainment of the wish-fulfilling jewel (cintāmaṇi), in the means of obtaining the wish-gem)

• प्रवृत्तः (pravṛttaḥ) - engaged in, set out, undertaken, commenced

• वाडवः (vāḍavaḥ) - Refers to the mythical fire at the bottom of the ocean. (submarine fire, ocean fire)

• वह्निः (vahniḥ) - Refers to the submarine fire, often used synonymously with vāḍava. (fire, Agni (god of fire))

• अब्धिसम्शोषणे (abdhisamśoṣaṇe) - Refers to the action of the submarine fire. (in the drying up of the ocean, in the desiccation of the sea)

• यथा (yathā) - just as, as

Words meanings and morphology

अनन्तयत्नसंसाध्ये (anantayatnasaṁsādhye) - Refers to the endeavor to obtain the cintāmaṇi. (in that which is to be achieved by endless effort, in the accomplishment requiring infinite endeavor)

(adjective)

Locative, neuter, singular of anantayatnasaṃsādhya

anantayatnasaṁsādhya - to be achieved by endless effort

Gerundive

Compound: ananta (endless) + yatna (effort) + saṃsādhya (to be achieved).

Compound type : tatpuruṣa (ananta+yatna+saṃsādhya)

• ananta – endless, infinite, boundless
  adjective
  Compound: a (not) + anta (end).
• yatna – effort, exertion, endeavor
  noun (masculine)
• saṃsādhya – to be accomplished, to be achieved, feasible
  adjective (neuter)
  Gerundive
  Gerundive of sam-√sādh.
  Prefix: sam
  Root: sādh (class 10)

सः (saḥ) - Refers to the man described in the previous verses. (he, that (person))

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun.

Note: Subject of the sentence.

चिन्तामणिसाधने (cintāmaṇisādhane) - Refers to the pursuit of ultimate wisdom or a powerful spiritual goal, symbolized by cintāmaṇi. (in the attainment of the wish-fulfilling jewel (cintāmaṇi), in the means of obtaining the wish-gem)

(noun)

Locative, neuter, singular of cintāmaṇisādhana

cintāmaṇisādhana - the attainment or means of attainment of the wish-fulfilling jewel

Tatpuruṣa compound (cintāmaṇi + sādhana).

Compound type : tatpuruṣa (cintāmaṇi+sādhana)

• cintāmaṇi – wish-fulfilling jewel, magic gem that grants all desires
  noun (masculine)
  Compound: cintā (thought, worry) + maṇi (jewel).
• sādhana – means of accomplishment, instrument, performance, attainment
  noun (neuter)
  Derived from √sādh.
  Root: sādh (class 10)

प्रवृत्तः (pravṛttaḥ) - engaged in, set out, undertaken, commenced

(adjective)

Nominative, masculine, singular of pravṛtta

pravṛtta - engaged in, active, set out, begun, turned towards

Past Passive Participle

Past passive participle of pra-√vṛt.

Prefix: pra

Root: vṛt (class 1)

वाडवः (vāḍavaḥ) - Refers to the mythical fire at the bottom of the ocean. (submarine fire, ocean fire)

(noun)

Nominative, masculine, singular of vāḍava

vāḍava - submarine fire, mare, inhabitant of a particular forest

वह्निः (vahniḥ) - Refers to the submarine fire, often used synonymously with vāḍava. (fire, Agni (god of fire))

(noun)

Nominative, masculine, singular of vahni

vahni - fire, flame, Agni

From √vah.

Root: vah (class 1)

अब्धिसम्शोषणे (abdhisamśoṣaṇe) - Refers to the action of the submarine fire. (in the drying up of the ocean, in the desiccation of the sea)

(noun)

Locative, neuter, singular of abdhisamśoṣaṇa

abdhisamśoṣaṇa - the drying up of the ocean

Tatpuruṣa compound (abdhi + saṃśoṣaṇa).

Compound type : tatpuruṣa (abdhi+saṃśoṣaṇa)

• abdhi – ocean, sea
  noun (masculine)
• saṃśoṣaṇa – drying up, desiccation, complete absorption
  noun (neuter)
  Derived from sam-√śuṣ.
  Prefix: sam
  Root: śuṣ (class 4)

यथा (yathā) - just as, as

(indeclinable)

Note: Introduces a comparison.