योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-51, verse-43

कालेनैतादृशं रूपमिदं नान्यत्वमेति वै ।
प्रकृतं निश्चयारूढं भ्रमन्त्येते भवः स्वतः ॥ ४३ ॥

kālenaitādṛśaṃ rūpamidaṃ nānyatvameti vai ,
prakṛtaṃ niścayārūḍhaṃ bhramantyete bhavaḥ svataḥ 43

43. kālena etādṛśam rūpam idam na anyatvam eti vai
prakṛtam niścayārūḍham bhramanti ete bhavaḥ svataḥ

43. idam etādṛśam rūpam kālena anyatvam na eti vai
prakṛtam niścayārūḍham ete bhavaḥ svataḥ bhramanti

43. This form, being of such a nature, truly does not attain difference over time. The fundamental reality (prakṛtam) is firmly established in certainty, yet these states of being (bhava) wander spontaneously.

Words meanings summery:

• कालेन (kālena) - by time, in due course

• एतादृशम् (etādṛśam) - such, of this kind

• रूपम् (rūpam) - form, appearance, nature

• इदम् (idam) - this, this one

• न (na) - not, no

• अन्यत्वम् (anyatvam) - otherness, difference

• एति (eti) - goes, attains, comes

• वै (vai) - indeed, certainly, verily

• प्रकृतम् (prakṛtam) - the fundamental reality (prakṛtam) (the original, the real, the fundamental reality, the manifested)

• निश्चयारूढम् (niścayārūḍham) - firmly established in certainty, ascended to conviction

• भ्रमन्ति (bhramanti) - they wander, they revolve, they err

• एते (ete) - these

• भवः (bhavaḥ) - ephemeral states of being (saṃsāra) (existences, states of being, births, worlds)

• स्वतः (svataḥ) - by itself, spontaneously, of its own accord

Words meanings and morphology

कालेन (kālena) - by time, in due course

(noun)

Instrumental, masculine, singular of kāla

kāla - time, period, duration

एतादृशम् (etādṛśam) - such, of this kind

(adjective)

Nominative, neuter, singular of etādṛśa

etādṛśa - such, of this kind, like this

रूपम् (rūpam) - form, appearance, nature

(noun)

Nominative, neuter, singular of rūpa

rūpa - form, shape, appearance, nature, beauty

इदम् (idam) - this, this one

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one, here

न (na) - not, no

(indeclinable)

अन्यत्वम् (anyatvam) - otherness, difference

(noun)

Accusative, neuter, singular of anyatva

anyatva - otherness, difference, distinctness

एति (eti) - goes, attains, comes

(verb)

3rd person , singular, active, present (laṭ) of i

Root: i (class 2)

वै (vai) - indeed, certainly, verily

(indeclinable)

प्रकृतम् (prakṛtam) - the fundamental reality (prakṛtam) (the original, the real, the fundamental reality, the manifested)

(adjective)

Nominative, neuter, singular of prakṛta

prakṛta - original, natural, real, manifested, accomplished

Past Passive Participle

Derived from root kṛ (to do, make) with prefix pra- and suffix -ta.

Prefix: pra

Root: kṛ (class 8)

निश्चयारूढम् (niścayārūḍham) - firmly established in certainty, ascended to conviction

(adjective)

Nominative, neuter, singular of niścayārūḍha

niścayārūḍha - firmly established in certainty, ascended to conviction, resolved with determination

Compound type : tatpuruṣa (niścaya+ārūḍha)

• niścaya – certainty, conviction, determination
  noun (masculine)
  Prefix: nis
  Root: ci (class 5)
• ārūḍha – mounted, ascended, attained, established
  adjective (masculine)
  Past Passive Participle
  Derived from root ruh (to grow, ascend) with prefix ā-.
  Prefix: ā
  Root: ruh (class 1)

भ्रमन्ति (bhramanti) - they wander, they revolve, they err

(verb)

3rd person , plural, active, present (laṭ) of bhram

Root: bhram (class 1)

एते (ete) - these

(pronoun)

Nominative, masculine, plural of etad

etad - this, these

भवः (bhavaḥ) - ephemeral states of being (saṃsāra) (existences, states of being, births, worlds)

(noun)

Nominative, masculine, plural of bhava

bhava - existence, being, state of being, birth, world, becoming

Derived from root bhū (to be, to exist).

Root: bhū (class 1)

स्वतः (svataḥ) - by itself, spontaneously, of its own accord

(indeclinable)

Derived from 'sva' (self) with the ablative suffix '-tas'.