योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-57, verse-45

शरीरजालनीहारधूसरा शून्यकोटरा ।
शान्तसंसारसुभगा त्रिलोकीविपुलातटी ॥ ४५ ॥

śarīrajālanīhāradhūsarā śūnyakoṭarā ,
śāntasaṃsārasubhagā trilokīvipulātaṭī 45

45. śarīrajālanīhāradhūsarā śūnyakoṭarā
śāntasaṃsārasubhagā trilokīvipulātaṭī

45. śarīrajālanīhāradhūsarā śūnyakoṭarā
śāntasaṃsārasubhagā trilokīvipulātaṭī

45. The vast shore-like expanse of the three worlds (trilokī) appears dusky, veiled by the fog of countless bodies, with empty cavities, and charming due to the subsided cycle of existence (saṃsāra).

Words meanings summery:

• शरीरजालनीहारधूसरा (śarīrajālanīhāradhūsarā) - dusky/grey like the mist of the network of bodies

• शून्यकोटरा (śūnyakoṭarā) - refers to the perceived emptiness or void in the three worlds (having empty hollows/cavities)

• शान्तसंसारसुभगा (śāntasaṁsārasubhagā) - lovely/charming due to the tranquil cycle of existence (saṃsāra)

• त्रिलोकीविपुलातटी (trilokīvipulātaṭī) - the vast shore/expanse of the three worlds

Words meanings and morphology

शरीरजालनीहारधूसरा (śarīrajālanīhāradhūsarā) - dusky/grey like the mist of the network of bodies

(adjective)

Nominative, feminine, singular of śarīrajālanīhāradhūsarā

śarīrajālanīhāradhūsarā - dusky/grey like the mist of the network of bodies

Compound type : bahuvrihi (śarīra+jāla+nīhāra+dhūsara)

• śarīra – body
  noun (neuter)
  Root: śṛ (class 1)
• jāla – net, network, multitude
  noun (neuter)
• nīhāra – fog, mist, frost
  noun (masculine)
  Root: hṛ (class 1)
• dhūsara – dust-colored, grey, dusky
  adjective (feminine)

शून्यकोटरा (śūnyakoṭarā) - refers to the perceived emptiness or void in the three worlds (having empty hollows/cavities)

(adjective)

Nominative, feminine, singular of śūnyakoṭarā

śūnyakoṭarā - having empty hollows/cavities

Compound type : bahuvrihi (śūnya+koṭara)

• śūnya – empty, void, hollow
  adjective (neuter)
  Root: śū (class 1)
• koṭara – hollow, cavity, cave
  noun (neuter)

शान्तसंसारसुभगा (śāntasaṁsārasubhagā) - lovely/charming due to the tranquil cycle of existence (saṃsāra)

(adjective)

Nominative, feminine, singular of śāntasaṃsārasubhagā

śāntasaṁsārasubhagā - lovely/charming due to the tranquil cycle of existence (saṃsāra)

Compound type : bahuvrihi (śānta+saṃsāra+subhagā)

• śānta – calm, tranquil, pacified, subsided
  adjective (neuter)
  Past Passive Participle
  from root śam (to be quiet, to cease)
  Root: śam (class 4)
• saṃsāra – cycle of rebirth, transmigration, worldly existence (saṃsāra)
  noun (masculine)
  from sam (together) + sṛ (to flow, to move)
  Prefix: sam
  Root: sṛ (class 1)
• subhagā – fortunate, lovely, charming, beautiful
  adjective (feminine)
  from su (good) + bhaga (fortune)

त्रिलोकीविपुलातटी (trilokīvipulātaṭī) - the vast shore/expanse of the three worlds

(noun)

Nominative, feminine, singular of trilokīvipulātaṭī

trilokīvipulātaṭī - the vast shore/expanse of the three worlds

Compound type : tatpurusha (trilokī+vipula+taṭī)

• trilokī – the three worlds (heaven, earth, netherworld)
  noun (feminine)
  from tri (three) + loka (world)
• vipula – vast, expansive, wide
  adjective (feminine)
  from vi (prefix) + pṛ (to fill)
  Prefix: vi
  Root: pṛ (class 9)
• taṭī – shore, bank, coast, expanse
  noun (feminine)
  Root: taṭ (class 1)