योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-105, verse-41

ऊष्मरूपो यथा वह्निर्निरूष्मा नोपलभ्यते ।
चिन्मयं तु तथा चेत्यं चिच्छून्यं नोपलभ्यते ॥ ४१ ॥

ūṣmarūpo yathā vahnirnirūṣmā nopalabhyate ,
cinmayaṃ tu tathā cetyaṃ cicchūnyaṃ nopalabhyate 41

41. ūṣmarūpaḥ yathā vahniḥ nirūṣmā na upalabhyate |
cinmayaṃ tu tathā cetyaṃ cicchūnyaṃ na upalabhyate ||

41. Just as fire, whose intrinsic nature (dharma) is heat, is not perceived without heat, similarly, the knowable, which consists of consciousness (cit), is not perceived when it is devoid of consciousness.

Words meanings summery:

• ऊष्मरूपः (ūṣmarūpaḥ) - having the form of heat, fiery, whose nature is heat

• यथा (yathā) - just as, as

• वह्निः (vahniḥ) - fire, Agni

• निरूष्मा (nirūṣmā) - heatless, without heat

• न (na) - not, no

• उपलभ्यते (upalabhyate) - is perceived, is found, is obtained

• चिन्मयं (cinmayaṁ) - consisting of consciousness, full of consciousness

• तु (tu) - but, indeed, on the other hand

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

• चेत्यं (cetyaṁ) - the knowable, the object of thought/consciousness

• चिच्छून्यं (cicchūnyaṁ) - devoid of consciousness, empty of consciousness

• न (na) - not, no

• उपलभ्यते (upalabhyate) - is perceived, is found, is obtained

Words meanings and morphology

ऊष्मरूपः (ūṣmarūpaḥ) - having the form of heat, fiery, whose nature is heat

(adjective)

Nominative, masculine, singular of ūṣmarūpa

ūṣmarūpa - form of heat, fiery nature

Compound type : tatpurusha (ūṣman+rūpa)

• ūṣman – heat, warmth
  noun (masculine)
• rūpa – form, nature, appearance
  noun (neuter)

यथा (yathā) - just as, as

(indeclinable)

वह्निः (vahniḥ) - fire, Agni

(noun)

Nominative, masculine, singular of vahni

vahni - fire, carrier, vehicle

Root: vah

निरूष्मा (nirūṣmā) - heatless, without heat

(adjective)

Nominative, masculine, singular of nirūṣman

nirūṣman - without heat

Compound type : bahuvrihi (nis+ūṣman)

• nis – without, out, away
  indeclinable
  prefix
• ūṣman – heat, warmth
  noun (masculine)

न (na) - not, no

(indeclinable)

उपलभ्यते (upalabhyate) - is perceived, is found, is obtained

(verb)

3rd person , singular, passive, present (laṭ) of upalabh

Present Middle Passive

3rd person singular, present tense, passive voice, middle termination

Prefix: upa

Root: labh (class 1)

चिन्मयं (cinmayaṁ) - consisting of consciousness, full of consciousness

(adjective)

Nominative, neuter, singular of cinmaya

cinmaya - consisting of consciousness, spiritual, intelligent

Compound type : tatpurusha (cit+maya)

• cit – consciousness, knowledge, pure thought
  noun (feminine)
• maya – consisting of, made of, full of
  suffix/adjective (neuter)
  suffix forming adjectives from nouns

तु (tu) - but, indeed, on the other hand

(indeclinable)

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

(indeclinable)

चेत्यं (cetyaṁ) - the knowable, the object of thought/consciousness

(noun)

Nominative, neuter, singular of cetya

cetya - to be thought, to be known, the knowable, the object of consciousness

Gerundive

Gerundive from root cit

Root: cit (class 10)

चिच्छून्यं (cicchūnyaṁ) - devoid of consciousness, empty of consciousness

(adjective)

Nominative, neuter, singular of cicchūnya

cicchūnya - empty of consciousness, devoid of consciousness

Compound type : tatpurusha (cit+śūnya)

• cit – consciousness, knowledge, pure thought
  noun (feminine)
• śūnya – empty, void, absent, null
  adjective (neuter)

न (na) - not, no

(indeclinable)

उपलभ्यते (upalabhyate) - is perceived, is found, is obtained

(verb)

3rd person , singular, passive, present (laṭ) of upalabh

Present Middle Passive

3rd person singular, present tense, passive voice, middle termination

Prefix: upa

Root: labh (class 1)