योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-114, verse-21

जन्तोर्यथा मनोराज्यं विविधारम्भभासुरम् ।
ब्राह्मं तथेदं विततं मनोराज्यं विराजते ॥ २१ ॥

jantoryathā manorājyaṃ vividhārambhabhāsuram ,
brāhmaṃ tathedaṃ vitataṃ manorājyaṃ virājate 21

21. jantoḥ yathā manorājyam vividhārambhābhāsuram
brāhmam tathā idam vitatam manorājyam virājate

21. yathā jantoḥ vividhārambhābhāsuram manorājyam,
tathā idam brāhmam vitatam manorājyam virājate.

21. Just as a living being's mental projection (manorājyam) shines brilliantly with diverse undertakings, so too does this vast mental projection, which pertains to the ultimate reality (brahman), manifest itself.

Words meanings summery:

• जन्तोः (jantoḥ) - of a living being, of a creature, of a person

• यथा (yathā) - as, just as, like

• मनोराज्यम् (manorājyam) - mental kingdom, mental projection, daydream

• विविधारम्भाभासुरम् (vividhārambhābhāsuram) - shining with various undertakings, brilliant with diverse initiatives

• ब्राह्मम् (brāhmam) - related to Brahman, divine, cosmic, pertaining to the ultimate reality

• तथा (tathā) - so, thus, in the same way

• इदम् (idam) - this, this one

• विततम् (vitatam) - vast, extensive, spread out, diffused

• मनोराज्यम् (manorājyam) - mental kingdom, mental projection, daydream

• विराजते (virājate) - shines, manifests, appears, is splendid

Words meanings and morphology

जन्तोः (jantoḥ) - of a living being, of a creature, of a person

(noun)

Genitive, masculine, singular of jantu

jantu - living being, creature, man

Root: jan (class 1)

यथा (yathā) - as, just as, like

(indeclinable)

मनोराज्यम् (manorājyam) - mental kingdom, mental projection, daydream

(noun)

Nominative, neuter, singular of manorājya

manorājya - mental kingdom, kingdom of the mind, mental projection, daydream

Compound type : tatpuruṣa (manas+rājya)

• manas – mind, intellect
  noun (neuter)
  Root: man (class 4)
• rājya – kingdom, sovereignty, dominion
  noun (neuter)
  Root: rāj (class 1)

Note: Subject of the implied verb 'is' in the first clause. It's in agreement with vividhārambhābhāsuram.

विविधारम्भाभासुरम् (vividhārambhābhāsuram) - shining with various undertakings, brilliant with diverse initiatives

(adjective)

Nominative, neuter, singular of vividhārambhābhāsura

vividhārambhābhāsura - shining with various undertakings

Compound type : bahuvrīhi (vividha+ārambha+bhāsura)

• vividha – various, diverse, manifold
  adjective
• ārambha – beginning, undertaking, enterprise
  noun (masculine)
  Prefix: ā
  Root: rabh (class 1)
• bhāsura – shining, brilliant, splendid
  adjective
  From root bhās (to shine).
  Root: bhās (class 1)

Note: Adjective modifying manorājyam.

ब्राह्मम् (brāhmam) - related to Brahman, divine, cosmic, pertaining to the ultimate reality

(adjective)

Nominative, neuter, singular of brāhma

brāhma - related to Brahman, divine, sacred

Formed from brahman with suffix -aṇ (a) meaning 'belonging to' or 'related to'.

Note: Adjective modifying manorājyam (the cosmic mental projection).

तथा (tathā) - so, thus, in the same way

(indeclinable)

Correlative to yathā.

इदम् (idam) - this, this one

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

Demonstrative pronoun.

विततम् (vitatam) - vast, extensive, spread out, diffused

(adjective)

Nominative, neuter, singular of vitata

vitata - vast, extensive, spread out, diffused

Past Passive Participle

Formed from vi-tan (to stretch out, expand). vi (prefix) + tan (root) + kta (past participle suffix).

Prefix: vi

Root: tan (class 8)

Note: Adjective modifying manorājyam.

मनोराज्यम् (manorājyam) - mental kingdom, mental projection, daydream

(noun)

Nominative, neuter, singular of manorājya

manorājya - mental kingdom, kingdom of the mind, mental projection, daydream

Compound type : tatpuruṣa (manas+rājya)

• manas – mind, intellect
  noun (neuter)
  Root: man (class 4)
• rājya – kingdom, sovereignty, dominion
  noun (neuter)
  Root: rāj (class 1)

Note: Subject of virājate.

विराजते (virājate) - shines, manifests, appears, is splendid

(verb)

3rd person , singular, middle, present (laṭ) of virāj

Present Tense, Middle Voice

Formed from vi-rāj (to shine forth, rule over). rāj is from class 1 (ātmanepada).

Prefix: vi

Root: rāj (class 1)