योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-105, verse-42

यथा स्पन्दमयो वायुरस्पन्दो नोपलभ्यते ।
चिन्मयं तु तथा चेत्यं चिच्छून्यं नोपलभ्यते ॥ ४२ ॥

yathā spandamayo vāyuraspando nopalabhyate ,
cinmayaṃ tu tathā cetyaṃ cicchūnyaṃ nopalabhyate 42

42. yathā spandamayaḥ vāyuḥ aspandaḥ na upalabhyate |
cinmayaṃ tu tathā cetyaṃ cicchūnyaṃ na upalabhyate ||

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

Words meanings summery:

• यथा (yathā) - just as, as

• स्पन्दमयः (spandamayaḥ) - consisting of vibration, full of motion

• वायुः (vāyuḥ) - wind, air, Vayu

• अस्पन्दः (aspandaḥ) - motionless, without vibration

• 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

यथा (yathā) - just as, as

(indeclinable)

स्पन्दमयः (spandamayaḥ) - consisting of vibration, full of motion

(adjective)

Nominative, masculine, singular of spandamaya

spandamaya - consisting of motion/vibration

Compound type : tatpurusha (spanda+maya)

• spanda – vibration, motion, tremor
  noun (masculine)
  Root: spad (class 1)
• maya – consisting of, made of, full of
  suffix/adjective (neuter)
  suffix forming adjectives from nouns

वायुः (vāyuḥ) - wind, air, Vayu

(noun)

Nominative, masculine, singular of vāyu

vāyu - wind, air, breath

Root: vā

अस्पन्दः (aspandaḥ) - motionless, without vibration

(adjective)

Nominative, masculine, singular of aspanda

aspanda - without motion/vibration

Compound type : nañ-tatpurusha (a+spanda)

• a – not, non-, un-
  indeclinable
  negating prefix
• spanda – vibration, motion, tremor
  noun (masculine)
  Root: spad (class 1)

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)