योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-33, verse-40

महाचिदनिलस्पन्दा एता एवानुभूतयः ।
एतास्ता ब्रह्मगगनशून्यता इति बुध्यताम् ॥ ४० ॥

mahācidanilaspandā etā evānubhūtayaḥ ,
etāstā brahmagaganaśūnyatā iti budhyatām 40

40. mahācidanilaspandāḥ etāḥ eva anubhūtayaḥ |
etāḥ tāḥ brahmagaganaśūnyatā iti budhyatām ||

40. etāḥ eva anubhūtayaḥ mahācidanilaspandāḥ
etāḥ tāḥ brahmagaganaśūnyatā iti budhyatām

40. These very experiences are the pulsations of the great wind of consciousness (mahācid-anila). Let it be understood that these [experiences] are indeed the emptiness (śūnyatā) of the ultimate reality (brahman) and space.

Words meanings summery:

• महाचिदनिलस्पन्दाः (mahācidanilaspandāḥ) - pulsations of the great consciousness-wind

• एताः (etāḥ) - these

• एव (eva) - indeed, certainly, only

• अनुभूतयः (anubhūtayaḥ) - experiences, perceptions, realizations

• एताः (etāḥ) - these

• ताः (tāḥ) - those

• ब्रह्मगगनशून्यता (brahmagaganaśūnyatā) - the emptiness of the brahman-sky, the void of Brahman and space

• इति (iti) - thus, so, indicating direct speech or thought

• बुध्यताम् (budhyatām) - let it be understood, should be known

Words meanings and morphology

महाचिदनिलस्पन्दाः (mahācidanilaspandāḥ) - pulsations of the great consciousness-wind

(adjective)

Nominative, feminine, plural of mahācidanilaspanda

mahācidanilaspanda - having the pulsations of the great consciousness-wind

Compound type : bahuvrihi (mahā+cit+anila+spanda)

• mahā – great, large, mighty
  adjective
• cit – consciousness, knowledge
  noun (feminine)
• anila – wind, air
  noun (masculine)
• spanda – vibration, pulsation, movement
  noun (masculine)

एताः (etāḥ) - these

(pronoun)

Nominative, feminine, plural of etad

etad - this, these

एव (eva) - indeed, certainly, only

(indeclinable)

अनुभूतयः (anubhūtayaḥ) - experiences, perceptions, realizations

(noun)

Nominative, feminine, plural of anubhūti

anubhūti - experience, perception, realization

Prefix: anu

Root: bhū (class 1)

एताः (etāḥ) - these

(pronoun)

Nominative, feminine, plural of etad

etad - this, these

ताः (tāḥ) - those

(pronoun)

Nominative, feminine, plural of tad

tad - that, those, she, they

ब्रह्मगगनशून्यता (brahmagaganaśūnyatā) - the emptiness of the brahman-sky, the void of Brahman and space

(noun)

Nominative, feminine, singular of brahmagaganaśūnyatā

brahmagaganaśūnyatā - the emptiness of Brahman-space, the void of Brahman and space

Compound type : tatpurusha (brahman+gagana+śūnyatā)

• brahman – the Absolute, ultimate reality (brahman), sacred word
  noun (neuter)
• gagana – sky, atmosphere, space
  noun (neuter)
• śūnyatā – emptiness, void, nothingness
  noun (feminine)

इति (iti) - thus, so, indicating direct speech or thought

(indeclinable)

बुध्यताम् (budhyatām) - let it be understood, should be known

(verb)

3rd person , singular, middle, imperative (loṭ) of budh

3rd person singular imperative (ātmanepada)

From root 'budh' (class 1, ātmanepada), imperative form.

Root: budh (class 1)