योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-96, verse-19

वातस्य वातस्पन्दस्य यथा भेदो न विद्यते ।
शून्यत्वखत्वोपमयोश्चिन्मात्राहंत्वयोस्तथा ॥ १९ ॥

vātasya vātaspandasya yathā bhedo na vidyate ,
śūnyatvakhatvopamayościnmātrāhaṃtvayostathā 19

19. vātasya vātaspandasya yathā bhedaḥ na vidyate
śūnyatva-khatvopamayoḥ cinmātrāhaṃtvayoḥ tathā

19. yathā vātasya vātaspandasya bhedaḥ na vidyate,
tathā śūnyatva-khatvopamayoḥ cinmātrāhaṃtvayoḥ (bhedaḥ na vidyate)

19. Just as there is no difference between the wind and its vibration, similarly, no distinction exists between pure consciousness (citmātra) and I-ness (ego), for they are likened to emptiness and the quality of space.

Words meanings summery:

• वातस्य (vātasya) - of the wind, of air

• वातस्पन्दस्य (vātaspandasya) - of the vibration of wind, of the motion of wind

• यथा (yathā) - Introduces the comparison. (just as, as)

• भेदः (bhedaḥ) - difference, distinction, division

• न (na) - not, no

• विद्यते (vidyate) - exists, is found

• शून्यत्व-खत्वोपमयोः (śūnyatva-khatvopamayoḥ) - Describes the subtle and non-different nature of 'citmātra' and 'ahaṃtva'. (of the two, the nature of emptiness and the analogy of ether-ness)

• चिन्मात्राहंत्वयोः (cinmātrāhaṁtvayoḥ) - of pure consciousness and I-ness (ego)

• तथा (tathā) - Connects the analogy. (similarly, so, thus)

Words meanings and morphology

वातस्य (vātasya) - of the wind, of air

(noun)

Genitive, masculine, singular of vāta

vāta - wind, air

Root: vā (class 2)

वातस्पन्दस्य (vātaspandasya) - of the vibration of wind, of the motion of wind

(noun)

Genitive, masculine, singular of vāta-spanda

vāta-spanda - vibration of wind, motion of wind, pulsation of air

'vāta' (wind) + 'spanda' (vibration, motion).

Compound type : tatpurusha (vāta+spanda)

• vāta – wind, air
  noun (masculine)
  Root: vā (class 2)
• spanda – vibration, throbbing, motion, pulsation
  noun (masculine)
  verbal noun
  From root 'spand' (to quiver, to vibrate).
  Root: spand (class 1)

यथा (yathā) - Introduces the comparison. (just as, as)

(indeclinable)

भेदः (bhedaḥ) - difference, distinction, division

(noun)

Nominative, masculine, singular of bheda

bheda - difference, distinction, division, breaking, cleavage

verbal noun

From root 'bhid' (to split, break).

Root: bhid (class 7)

न (na) - not, no

(indeclinable)

विद्यते (vidyate) - exists, is found

(verb)

3rd person , singular, middle, present indicative (laṭ) of vid

present middle

Root 'vid' (to be), class 4. 'ātmāne-pada'.

Root: vid (class 4)

शून्यत्व-खत्वोपमयोः (śūnyatva-khatvopamayoḥ) - Describes the subtle and non-different nature of 'citmātra' and 'ahaṃtva'. (of the two, the nature of emptiness and the analogy of ether-ness)

(noun)

Genitive, feminine, dual of śūnyatva-khatvopamā

śūnyatva-khatvopamā - the similarity/comparison to emptiness and the nature of space

Compound of 'śūnyatva' (emptiness), 'khatva' (ether-ness), and 'upamā' (comparison/analogy).

Compound type : dvandva-tatpurusha (śūnyatva+khatva+upamā)

• śūnyatva – emptiness, void-ness
  noun (neuter)
  Derived from 'śūnya' (empty) + 'tva' (suffix for abstract noun).
• khatva – ether-ness, the quality of space
  noun (neuter)
  Derived from 'kha' (ether, space) + 'tva' (suffix for abstract noun).
• upamā – comparison, simile, analogy
  noun (feminine)
  Prefix: upa
  Root: mā (class 3)

Note: Modifies 'cinmātrāhaṃtvayoḥ', indicating that the following pair has a quality comparable to emptiness and ether-ness.

चिन्मात्राहंत्वयोः (cinmātrāhaṁtvayoḥ) - of pure consciousness and I-ness (ego)

(noun)

Genitive, neuter, dual of cinmātrāhaṃtva

cinmātrāhaṁtva - pure consciousness and I-ness/egohood

Compound of 'citmātra' (pure consciousness) and 'ahaṃtva' (I-ness).

Compound type : dvandva (citmātra+ahaṃtva)

• citmātra – pure consciousness, consciousness alone
  noun (neuter)
  Compound of 'cit' (consciousness) and 'mātra' (only).
• ahaṃtva – I-ness, egohood, sense of self
  noun (neuter)
  Derived from 'ahaṃ' (I) + 'tva' (suffix for abstract noun).

Note: Refers to the pair 'citmātra' and 'ahaṃtva'.

तथा (tathā) - Connects the analogy. (similarly, so, thus)

(indeclinable)