योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-24, verse-62

स्वशरीरेण गङ्गादिसरितां सन्निधानतः ।
प्रोड्डीनमत्स्यमकरकुलीराम्बुजकूर्मकम् ॥ ६२ ॥

svaśarīreṇa gaṅgādisaritāṃ sannidhānataḥ ,
proḍḍīnamatsyamakarakulīrāmbujakūrmakam 62

62. svasarīreṇa gaṅgādisaritām sannidhānataḥ
proḍḍīnamatsyamakarakulīrāmbujakūrmakam

62. svasarīreṇa gaṅgādisaritām sannidhānataḥ
proḍḍīnamatsyamakarakulīrāmbujakūrmakam

62. By virtue of the presence of Ganga and other rivers within its own body, it was replete with leaping fish, crocodiles, and crabs, along with lotuses and turtles.

Words meanings summery:

• स्वसरीरेण (svasarīreṇa) - by virtue of the presence in its own body (by one's own body)

• गङ्गादिसरिताम् (gaṅgādisaritām) - referring to Ganga and similar rivers (of Ganga and other rivers)

• सन्निधानतः (sannidhānataḥ) - by virtue of the presence (from the presence, by reason of proximity, owing to)

• प्रोड्डीनमत्स्यमकरकुलीराम्बुजकूर्मकम् (proḍḍīnamatsyamakarakulīrāmbujakūrmakam) - replete with these specific aquatic elements (containing leaping fish, crocodiles, crabs, lotuses, and turtles)

Words meanings and morphology

स्वसरीरेण (svasarīreṇa) - by virtue of the presence in its own body (by one's own body)

(noun)

Instrumental, neuter, singular of svaśarīra

svaśarīra - one's own body

Compound type : tatpurusha (sva+śarīra)

• sva – own, one's own
  adjective
• śarīra – body, corporeal frame
  noun (neuter)
  Root: śṝ (class 9)

गङ्गादिसरिताम् (gaṅgādisaritām) - referring to Ganga and similar rivers (of Ganga and other rivers)

(noun)

Genitive, feminine, plural of gaṅgādisarit

gaṅgādisarit - Ganga and other rivers

Compound (`gaṅgā-ādi` + `sarit`).

Compound type : tatpurusha (gaṅgā+ādi+sarit)

• gaṅgā – the river Ganga, Ganges
  proper noun (feminine)
• ādi – beginning, etcetera, and others
  noun (masculine)
• sarit – river, stream
  noun (feminine)
  From root `sṛ` (to flow).
  Root: sṛ (class 1)

सन्निधानतः (sannidhānataḥ) - by virtue of the presence (from the presence, by reason of proximity, owing to)

(indeclinable)

From `sam-ni-dhā` (to place together, to be present).

Prefixes: sam+ni

Root: dhā (class 3)

Note: Adverbial suffix `taḥ` indicating cause or source.

प्रोड्डीनमत्स्यमकरकुलीराम्बुजकूर्मकम् (proḍḍīnamatsyamakarakulīrāmbujakūrmakam) - replete with these specific aquatic elements (containing leaping fish, crocodiles, crabs, lotuses, and turtles)

(adjective)

Accusative, neuter, singular of proḍḍīnamatsyamakarakulīrāmbujakūrmaka

proḍḍīnamatsyamakarakulīrāmbujakūrmaka - (something) having leaping fish, crocodiles, crabs, lotuses, and turtles

Compound type : bahuvrihi (proḍḍīna+matsya+makara+kulīra+ambuja+kūrmaka)

• proḍḍīna – flown up, leaped out, sprung up
  adjective
  Past Passive Participle
  From `pra-uḍḍī` (to fly up).
  Prefixes: pra+ud
  Root: ḍī (class 4)
• matsya – fish
  noun (masculine)
• makara – crocodile, sea monster
  noun (masculine)
• kulīra – crab
  noun (masculine)
• ambuja – lotus (born from water)
  noun (neuter)
  From `ambhas` (water) + `ja` (born).
  Root: jan (class 4)
• kūrmaka – turtle, tortoise (diminutive/affectionate of kūrma)
  noun (masculine)
  From `kūrma` + `ka` (diminutive/adjectival suffix).

Note: This compound functions as an adjective, agreeing with an unstated neuter singular accusative noun.