योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-187, verse-14

आकल्पाख्यं निमेषं यत्कचनं चैकरूपकम् ।
स्वाभाविकाः स्वभावं तं प्राहुः प्रसृतबुद्धयः ॥ १४ ॥

ākalpākhyaṃ nimeṣaṃ yatkacanaṃ caikarūpakam ,
svābhāvikāḥ svabhāvaṃ taṃ prāhuḥ prasṛtabuddhayaḥ 14

14. ākalpākhyam nimeṣam yat kacanam ca ekarūpakam
svābhāvikāḥ svabhāvam tam prāhuḥ prasṛtabuddhayaḥ

14. yat ākalpākhyam nimeṣam ca ekarūpakam kacanam
tam svabhāvam prasṛtabuddhayaḥ svābhāvikāḥ prāhuḥ

14. That which is designated as 'a blink lasting a kalpa' (ākalpākhya nimeṣa) and which is a manifestation of a singular nature (ekarūpaka)—those whose intellects are expanded (prasṛtabuddhi), the naturalists (svābhāvika), declare that to be (its) inherent nature (svabhāva).

Words meanings summery:

• आकल्पाख्यम् (ākalpākhyam) - named/called 'a kalpa-long', lasting for a kalpa

• निमेषम् (nimeṣam) - a wink, a blink, a moment

• यत् (yat) - which, that

• कचनम् (kacanam) - manifestation, shining, appearance

• च (ca) - and, also

• एकरूपकम् (ekarūpakam) - of one form, uniform, singular in nature

• स्वाभाविकाः (svābhāvikāḥ) - the naturalists, those who follow the doctrine of svabhāva

• स्वभावम् (svabhāvam) - inherent nature, own being, natural disposition

• तम् (tam) - that

• प्राहुः (prāhuḥ) - they say, they declare, they speak of

• प्रसृतबुद्धयः (prasṛtabuddhayaḥ) - whose intellects are expanded/developed

Words meanings and morphology

आकल्पाख्यम् (ākalpākhyam) - named/called 'a kalpa-long', lasting for a kalpa

(adjective)

Accusative, neuter, singular of ākalpākhya

ākalpākhya - named 'lasting a kalpa', called 'a kalpa-long'

Compound type : Bahuvrīhi (ākalpa+ākhya)

• ākalpa – up to a kalpa, for a kalpa
  noun (masculine)
• ākhya – named, called, designated as
  adjective (neuter)
  Gerundive
  Derived from root 'khyā' (to tell, to name) with prefix 'ā' and suffix 'ṇya'.
  Prefix: ā
  Root: khyā (class 2)

Note: Agrees with 'nimeṣam'.

निमेषम् (nimeṣam) - a wink, a blink, a moment

(noun)

Accusative, masculine, singular of nimeṣa

nimeṣa - a wink, a blink, a moment

Prefix: ni

Root: miṣ (class 4)

यत् (yat) - which, that

(pronoun)

Nominative, neuter, singular of yad

yad - which, that

कचनम् (kacanam) - manifestation, shining, appearance

(noun)

Nominative, neuter, singular of kacana

kacana - manifestation, shining, appearance

Action noun

Derived from root 'kac' with suffix 'ana'.

Root: kac (class 1)

च (ca) - and, also

(indeclinable)

एकरूपकम् (ekarūpakam) - of one form, uniform, singular in nature

(adjective)

Nominative, neuter, singular of ekarūpaka

ekarūpaka - of one form, uniform, singular in nature

Compound type : Bahuvrīhi (eka+rūpaka)

• eka – one, single, unique
  numeral (neuter)
• rūpaka – having the form of, metaphorical, representation
  adjective (neuter)

Note: Agrees with 'kacanam'.

स्वाभाविकाः (svābhāvikāḥ) - the naturalists, those who follow the doctrine of svabhāva

(noun)

Nominative, masculine, plural of svābhāvika

svābhāvika - naturalist, adherent of svabhāva doctrine; natural, inherent

Derived from 'svabhāva' with the suffix 'ika'.

स्वभावम् (svabhāvam) - inherent nature, own being, natural disposition

(noun)

Accusative, masculine, singular of svabhāva

svabhāva - inherent nature, own being, natural disposition

Prefix: sva

Root: bhū (class 1)

तम् (tam) - that

(pronoun)

Accusative, masculine, singular of tad

tad - that

Note: Agrees with 'svabhāvam'.

प्राहुः (prāhuḥ) - they say, they declare, they speak of

(verb)

3rd person , plural, active, perfect indicative (liṭ) of pra-ah

Root 'ah' is irregular, often found in perfect tense forms that function as present.

Prefix: pra

Root: ah (class 2)

Note: Often used in the sense of present tense.

प्रसृतबुद्धयः (prasṛtabuddhayaḥ) - whose intellects are expanded/developed

(adjective)

Nominative, masculine, plural of prasṛtabuddhi

prasṛtabuddhi - whose intellect is expanded/developed

Compound type : Bahuvrīhi (prasṛta+buddhi)

• prasṛta – spread out, expanded, developed
  adjective (neuter)
  Past Passive Participle
  Derived from root 'sṛ' (to flow, move) with prefix 'pra' and suffix 'kta'.
  Prefix: pra
  Root: sṛ (class 1)
• buddhi – intellect, understanding, insight
  noun (feminine)
  Root: budh (class 1)

Note: Functions as a noun here, referring to 'those people'.