योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-15, verse-8

भूपीठदृढडिण्डीरपिण्डश्चिद्धनमद्गुमान् ।
चित्राजवं जवीभावमज्जनोन्मज्जनात्मकः ॥ ८ ॥

bhūpīṭhadṛḍhaḍiṇḍīrapiṇḍaściddhanamadgumān ,
citrājavaṃ javībhāvamajjanonmajjanātmakaḥ 8

8. bhūpīṭhadṛḍhadiṇḍīrapiṇḍaḥ cit-ghanamadgumān
citrājāvam javībhāvamajjanoñmajanātmakaḥ

8. bhūpīṭhadṛḍhadiṇḍīrapiṇḍaḥ cit-ghanamadgumān
citrājāvam javībhāvamajjanoñmajanātmakaḥ

8. It is like a firm lump of foam on the earth's surface; it is a dense consciousness (cit-ghana) teeming with individual souls (madguman); it possesses a variegated swiftness, and is characterized by rapid submerging and emerging.

Words meanings summery:

• भूपीठदृढदिण्डीरपिण्डः (bhūpīṭhadṛḍhadiṇḍīrapiṇḍaḥ) - a firm lump of foam on the earth's surface

• चित्-घनमद्गुमान् (cit-ghanamadgumān) - dense consciousness (cit-ghana) teeming with individual souls (madguman) (dense consciousness having divers/individual souls)

• चित्राजावम् (citrājāvam) - variegated swiftness, wonderful quickness

• जवीभावमज्जनोञ्मजनात्मकः (javībhāvamajjanoñmajanātmakaḥ) - having the nature of swift submerging and emerging

Words meanings and morphology

भूपीठदृढदिण्डीरपिण्डः (bhūpīṭhadṛḍhadiṇḍīrapiṇḍaḥ) - a firm lump of foam on the earth's surface

(adjective)

Nominative, masculine, singular of bhūpīṭhadṛḍhadiṇḍīrapiṇḍa

bhūpīṭhadṛḍhadiṇḍīrapiṇḍa - firm foam lump on the earth's surface

Compound type : bahuvrihi (bhū+pīṭha+dṛḍha+ḍiṇḍīra+piṇḍa)

• bhū – earth, ground
  noun (feminine)
• pīṭha – seat, base, surface
  noun (neuter)
• dṛḍha – firm, strong, solid
  adjective (masculine)
  Past Passive Participle
  Derived from root 'dṛh' (to grow, be firm)
  Root: dṛh (class 1)
• ḍiṇḍīra – foam, froth
  noun (masculine)
• piṇḍa – lump, mass, ball
  noun (masculine)

चित्-घनमद्गुमान् (cit-ghanamadgumān) - dense consciousness (cit-ghana) teeming with individual souls (madguman) (dense consciousness having divers/individual souls)

(adjective)

Nominative, masculine, singular of cit-ghanamadgumat

cit-ghanamadgumat - having dense consciousness and divers

Compound type : bahuvrihi (cit+ghana+madgu+mat)

• cit – consciousness, intelligence
  noun (feminine)
• ghana – dense, solid, compact
  adjective (masculine)
• madgu – diver, submerging
  noun (masculine)
• mat – possessing, having (suffix)
  suffix
  Matup suffix denoting possession, resulting in 'madgumat' (having divers).

चित्राजावम् (citrājāvam) - variegated swiftness, wonderful quickness

(noun)

Nominative, neuter, singular of citrājāva

citrājāva - variegated swiftness

Compound type : karmadharaya (citra+ājāva)

• citra – varied, wonderful, variegated
  adjective (neuter)
• ājāva – swiftness, quickness
  noun (neuter)

Note: Could also be accusative singular, or function adverbially.

जवीभावमज्जनोञ्मजनात्मकः (javībhāvamajjanoñmajanātmakaḥ) - having the nature of swift submerging and emerging

(adjective)

Nominative, masculine, singular of javībhāvamajjanoñmajanātmaka

javībhāvamajjanoñmajanātmaka - having the nature of the state of swift submerging and emerging

Compound type : bahuvrihi (javībhāva+majjana+unmajjana+ātmaka)

• javībhāva – state of swiftness, quickness
  noun (masculine)
• majjana – submerging, diving
  noun (neuter)
  Root: majj (class 1)
• unmajjana – emerging, rising
  noun (neuter)
  Prefix: ud
  Root: majj (class 1)
• ātmaka – having the nature of, consisting of
  adjective (masculine)
  Suffix -ātmaka indicating nature or constitution.