योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-127, verse-21

योजनानां कोटिशतं पुष्टं वज्रदृढं च तत् ।
स्थितं संवेदनमयं व्योम्नि व्योममयात्मकम् ॥ २१ ॥

yojanānāṃ koṭiśataṃ puṣṭaṃ vajradṛḍhaṃ ca tat ,
sthitaṃ saṃvedanamayaṃ vyomni vyomamayātmakam 21

21. yojanānām koṭiśatam puṣṭam vajradṛḍham ca tat
sthitam saṃvedanamayam vyomni vyomamayātmakam

21. tat yojanānām koṭiśatam puṣṭam ca vajradṛḍham
saṃvedanamayam vyomamayātmakam vyomni sthitam

21. That (cosmic eggshell) is a billion yojanas thick and firm as a diamond. It is situated within space, being composed of consciousness and inherently spatial in nature.

Words meanings summery:

• योजनानाम् (yojanānām) - of yojanas (a measure of distance)

• कोटिशतम् (koṭiśatam) - a hundred crores, a billion

• पुष्टम् (puṣṭam) - nourished, strong, plump, thick

• वज्रदृढम् (vajradṛḍham) - diamond-hard, extremely firm

• च (ca) - and, also

• तत् (tat) - refers to the cosmic eggshell (brahmāṇḍakharpara) from the previous verse (that, it)

• स्थितम् (sthitam) - situated, existing, standing

• संवेदनमयम् (saṁvedanamayam) - consisting of consciousness, full of awareness

• व्योम्नि (vyomni) - in space, in the sky, in the ether

• व्योममयात्मकम् (vyomamayātmakam) - having the nature of space, consisting of space

Words meanings and morphology

योजनानाम् (yojanānām) - of yojanas (a measure of distance)

(noun)

Genitive, neuter, plural of yojana

yojana - a measure of distance (traditionally 4-9 miles); yoking, harness

Root: yuj (class 7)

कोटिशतम् (koṭiśatam) - a hundred crores, a billion

(noun)

Nominative, neuter, singular of koṭiśata

koṭiśata - a hundred crores (1,000,000,000)

Compound type : tatpurusha (koṭi+śata)

• koṭi – ten million, crore, a high number, tip, point
  noun (feminine)
• śata – a hundred
  numeral (neuter)

पुष्टम् (puṣṭam) - nourished, strong, plump, thick

(adjective)

Nominative, neuter, singular of puṣṭa

puṣṭa - nourished, strong, thick, thriving, substantial

Past Passive Participle

Derived from root puṣ (to nourish, thrive)

Root: puṣ (class 4)

Note: Agrees with 'tat' (cosmic eggshell).

वज्रदृढम् (vajradṛḍham) - diamond-hard, extremely firm

(adjective)

Nominative, neuter, singular of vajradṛḍha

vajradṛḍha - hard as a thunderbolt/diamond, extremely firm

Compound type : tatpurusha (vajra+dṛḍha)

• vajra – thunderbolt, diamond
  noun (masculine)
• dṛḍha – firm, strong, hard, solid
  adjective
  Past Passive Participle
  Derived from root dṛh (to be firm)
  Root: dṛh (class 4)

Note: Agrees with 'tat' (cosmic eggshell).

च (ca) - and, also

(indeclinable)

तत् (tat) - refers to the cosmic eggshell (brahmāṇḍakharpara) from the previous verse (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

स्थितम् (sthitam) - situated, existing, standing

(adjective)

Nominative, neuter, singular of sthita

sthita - standing, fixed, existing, situated

Past Passive Participle

Derived from root sthā (to stand)

Root: sthā (class 1)

Note: Agrees with 'tat' (cosmic eggshell).

संवेदनमयम् (saṁvedanamayam) - consisting of consciousness, full of awareness

(adjective)

Nominative, neuter, singular of saṃvedanamaya

saṁvedanamaya - consisting of consciousness/feeling/awareness

Compound type : tatpurusha (saṃvedana+maya)

• saṃvedana – consciousness, sensation, feeling, awareness
  noun (neuter)
  Derived from root vid with prefix sam
  Prefix: sam
  Root: vid (class 2)
• maya – made of, consisting of, full of (suffix)
  suffix

Note: Agrees with 'tat' (cosmic eggshell).

व्योम्नि (vyomni) - in space, in the sky, in the ether

(noun)

Locative, neuter, singular of vyoman

vyoman - sky, heaven, air, space, ether

व्योममयात्मकम् (vyomamayātmakam) - having the nature of space, consisting of space

(adjective)

Nominative, neuter, singular of vyomamayātmaka

vyomamayātmaka - consisting of space, spatial in nature, having the essence of space

Compound type : bahuvrihi (vyomamaya+ātmaka)

• vyomamaya – consisting of space, spatial
  adjective
• ātmaka – consisting of, having the nature of, relating to the self (ātman)
  suffix
  Derived from ātman (self/essence)

Note: Agrees with 'tat' (cosmic eggshell).