योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-60, verse-12

विवेश परमाद्यन्तकारणं कारणेश्वरम् ।
प्रज्ञया सरितां वारि परिपूर्णमिवाम्बुधिम् ॥ १२ ॥

viveśa paramādyantakāraṇaṃ kāraṇeśvaram ,
prajñayā saritāṃ vāri paripūrṇamivāmbudhim 12

12. viveśa paramādyantakāraṇam kāraṇeśvaram
prajñayā saritām vāri paripūrṇam iva ambudhim

12. saḥ (implied) prajñayā paramādyantakāraṇam kāraṇeśvaram viveśa,
saritām vāri paripūrṇam ambudhim iva.

12. With his wisdom (prajñā), he entered the Supreme, who is the ultimate origin and end, the Lord of all causes, just as the waters of rivers merge into a fully encompassing ocean.

Words meanings summery:

• विवेश (viveśa) - entered (entered, penetrated)

• परमाद्यन्तकारणम् (paramādyantakāraṇam) - the Supreme, who is the ultimate origin and end (the supreme first and last cause)

• कारणेश्वरम् (kāraṇeśvaram) - the Lord of all causes (Lord of causes)

• प्रज्ञया (prajñayā) - with his wisdom (prajñā) (by wisdom, by understanding)

• सरिताम् (saritām) - of rivers

• वारि (vāri) - the waters (water)

• परिपूर्णम् (paripūrṇam) - fully encompassing (completely full, perfect, entire)

• इव (iva) - just as (like, as, as if)

• अम्बुधिम् (ambudhim) - the ocean (ocean, sea)

Words meanings and morphology

विवेश (viveśa) - entered (entered, penetrated)

(verb)

3rd person , singular, active, perfect (Lit) of viś

perfect active, 3rd singular

Reduplicated perfect. From √viś.

Root: viś (class 6)

परमाद्यन्तकारणम् (paramādyantakāraṇam) - the Supreme, who is the ultimate origin and end (the supreme first and last cause)

(noun)

Accusative, neuter, singular of paramādyantakāraṇa

paramādyantakāraṇa - the supreme origin and end cause

Compound

Compound type : karmadhāraya (parama+ādi+anta+kāraṇa)

• parama – supreme, highest, ultimate, most excellent
  adjective (masculine)
• ādi – beginning, origin, first
  noun (masculine)
• anta – end, limit, boundary
  noun (masculine)
• kāraṇa – cause, reason, instrument
  noun (neuter)
  From √kṛ
  Root: kṛ (class 8)

Note: Object of viveśa.

कारणेश्वरम् (kāraṇeśvaram) - the Lord of all causes (Lord of causes)

(noun)

Accusative, masculine, singular of kāraṇeśvara

kāraṇeśvara - Lord of causes

Compound

Compound type : tatpuruṣa (kāraṇa+īśvara)

• kāraṇa – cause, reason, instrument
  noun (neuter)
  From √kṛ
  Root: kṛ (class 8)
• īśvara – lord, master, controller, God
  noun (masculine)
  From √īś
  Root: īś (class 2)

Note: Object of viveśa, in apposition to paramādyantakāraṇam.

प्रज्ञया (prajñayā) - with his wisdom (prajñā) (by wisdom, by understanding)

(noun)

Instrumental, feminine, singular of prajñā

prajñā - wisdom, discernment, understanding, knowledge

From pra-jñā (to know well)

Prefix: pra

Root: jñā (class 9)

Note: Instrument of entering.

सरिताम् (saritām) - of rivers

(noun)

Genitive, feminine, plural of sarit

sarit - river, stream

From √sṛ (to flow)

Root: sṛ (class 1)

Note: Modifies vāri.

वारि (vāri) - the waters (water)

(noun)

Nominative, neuter, singular of vāri

vāri - water, fluid

Root: vṛ

Note: Subject of implied verb in simile (e.g., 'enter').

परिपूर्णम् (paripūrṇam) - fully encompassing (completely full, perfect, entire)

(adjective)

Accusative, neuter, singular of paripūrṇa

paripūrṇa - quite full, completely filled, perfect, complete

Past Passive Participle

From pari-pṛ (to fill completely)

Prefix: pari

Root: pṛ (class 3)

Note: Qualifies ambudhim.

इव (iva) - just as (like, as, as if)

(indeclinable)

Note: Connects the simile.

अम्बुधिम् (ambudhim) - the ocean (ocean, sea)

(noun)

Accusative, masculine, singular of ambudhi

ambudhi - ocean (lit. 'water-receptacle')

Compound

Compound type : tatpuruṣa (ambas+dhi)

• ambas – water
  noun (neuter)
• dhi – receptacle, holding
  noun
  Suffix -dhi from √dhā (to hold)
  Root: dhā (class 3)

Note: Object in the simile.