योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-121, verse-18

प्रतिभासवशादेव सर्वो विपरिवर्तते ।
क्षणः कल्पत्वमायाति कल्पश्च भवति क्षणः ॥ १८ ॥

pratibhāsavaśādeva sarvo viparivartate ,
kṣaṇaḥ kalpatvamāyāti kalpaśca bhavati kṣaṇaḥ 18

18. pratibhāsa-vaśāt eva sarvaḥ viparivartate
kṣaṇaḥ kalpatvam āyāti kalpaḥ ca bhavati kṣaṇaḥ

18. pratibhāsa-vaśāt eva sarvaḥ viparivartate
kṣaṇaḥ kalpatvam āyāti ca kalpaḥ kṣaṇaḥ bhavati

18. Everything transforms solely by the power of perception. A moment (kṣaṇa) becomes an eon (kalpa), and an eon (kalpa) becomes a moment (kṣaṇa).

Words meanings summery:

• प्रतिभास-वशात् (pratibhāsa-vaśāt) - due to the power of perception/appearance

• एव (eva) - indeed, only, just

• सर्वः (sarvaḥ) - everything (all, every, whole, entire)

• विपरिवर्तते (viparivartate) - transforms, changes completely, revolves

• क्षणः (kṣaṇaḥ) - moment, instant

• कल्पत्वम् (kalpatvam) - the state of being an eon, eon-ness

• आयाति (āyāti) - attains, comes to, arrives

• कल्पः (kalpaḥ) - eon, a vast period of time

• च (ca) - and, also

• भवति (bhavati) - becomes, is, exists

• क्षणः (kṣaṇaḥ) - moment, instant

Words meanings and morphology

प्रतिभास-वशात् (pratibhāsa-vaśāt) - due to the power of perception/appearance

(noun)

Ablative, masculine, singular of pratibhāsa-vaśa

pratibhāsa-vaśa - power of perception, influence of appearance

Compound of 'pratibhāsa' and 'vaśa'.

Compound type : tatpuruṣa (pratibhāsa+vaśa)

• pratibhāsa – perception, appearance, manifestation, intuition
  noun (masculine)
  From root √bhās (to shine) with prefix prati.
  Prefix: prati
  Root: bhās (class 1)
• vaśa – power, control, influence, will
  noun (masculine)

एव (eva) - indeed, only, just

(indeclinable)

सर्वः (sarvaḥ) - everything (all, every, whole, entire)

(pronoun)

Nominative, masculine, singular of sarva

sarva - all, every, whole, entire

विपरिवर्तते (viparivartate) - transforms, changes completely, revolves

(verb)

3rd person , singular, middle, present (lat) of viparivartate

Present Middle

From root √vṛt (to turn) with prefixes vi-pari.

Prefixes: vi+pari

Root: vṛt (class 1)

क्षणः (kṣaṇaḥ) - moment, instant

(noun)

Nominative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, a very short space of time

कल्पत्वम् (kalpatvam) - the state of being an eon, eon-ness

(noun)

Accusative, neuter, singular of kalpatva

kalpatva - the state of being an eon, eon-ness

Derived from 'kalpa' (eon) with the suffix '-tva' (state of being).

Compound type : tatpuruṣa (kalpa+tva)

• kalpa – eon, a vast period of time, a day of Brahmā
  noun (masculine)
• tva – suffix indicating 'state of being', 'nature of'
  suffix (neuter)

आयाति (āyāti) - attains, comes to, arrives

(verb)

3rd person , singular, active, present (lat) of āyāti

Present Active

From root √yā (to go) with prefix ā.

Prefix: ā

Root: yā (class 2)

कल्पः (kalpaḥ) - eon, a vast period of time

(noun)

Nominative, masculine, singular of kalpa

kalpa - eon, a vast period of time, a day of Brahmā

च (ca) - and, also

(indeclinable)

भवति (bhavati) - becomes, is, exists

(verb)

3rd person , singular, active, present (lat) of bhavati

Present Active

From root √bhū (to be, to become).

Root: bhū (class 1)

क्षणः (kṣaṇaḥ) - moment, instant

(noun)

Nominative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, a very short space of time