योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-79, verse-6

अचन्द्रार्काग्नितारोऽपि कोऽविनाशः प्रकाशकः ।
अनेत्रलभ्यात्कस्माच्च प्रकाशः संप्रवर्तते ॥ ६ ॥

acandrārkāgnitāro'pi ko'vināśaḥ prakāśakaḥ ,
anetralabhyātkasmācca prakāśaḥ saṃpravartate 6

6. acandrārkāgnitāraḥ api kaḥ avināśaḥ prakāśakaḥ |
anetralabhyāt kasmāt ca prakāśaḥ saṃpravartate ||

6. acandrārkāgnitāraḥ api avināśaḥ prakāśakaḥ kaḥ
anetralabhyāt ca kasmāt prakāśaḥ saṃpravartate

6. Who is the imperishable illuminator, even without moon, sun, fire, or stars? And from what source, not attainable by the eyes, does this light (prakāśa) manifest?

Words meanings summery:

• अचन्द्रार्काग्नितारः (acandrārkāgnitāraḥ) - without moon, sun, fire, or stars

• अपि (api) - even, though (also, even, though, moreover)

• कः (kaḥ) - Who? (who?, which?)

• अविनाशः (avināśaḥ) - imperishable (imperishable, indestructible, eternal)

• प्रकाशकः (prakāśakaḥ) - illuminator (illuminator, revealer, giver of light)

• अनेत्रलभ्यात् (anetralabhyāt) - from that which is not attainable by eyes (from that which is not attainable by the eye, imperceptible by sight)

• कस्मात् (kasmāt) - from what source? (from what?, why?, wherefore?)

• च (ca) - and (and, also, moreover)

• प्रकाशः (prakāśaḥ) - light (prakāśa) (light, brilliance, manifestation, lustre)

• संप्रवर्तते (saṁpravartate) - manifests, arises (proceeds, advances, arises, manifests, occurs)

Words meanings and morphology

अचन्द्रार्काग्नितारः (acandrārkāgnitāraḥ) - without moon, sun, fire, or stars

(adjective)

Nominative, masculine, singular of acandrārkāgnitāra

acandrārkāgnitāra - lacking moon, sun, fire, and stars

Nañ-Bahuvrīhi compound, masculine nominative singular. a- (without) + candra (moon) + arka (sun) + agni (fire) + tāra (star).

Compound type : Nañ-Bahuvrīhi (a+candra+arka+agni+tāra)

• a – not, non-, without
  indeclinable
  Negative prefix
• candra – moon
  noun (masculine)
• arka – sun, ray
  noun (masculine)
• agni – fire
  noun (masculine)
• tāra – star
  noun (masculine)

Note: Refers to a supreme reality (brahman or ātman).

अपि (api) - even, though (also, even, though, moreover)

(indeclinable)

Particle.

कः (kaḥ) - Who? (who?, which?)

(pronoun)

Nominative, masculine, singular of kim

kim - who?, what?, which?

Masculine nominative singular form of the interrogative pronoun kim.

अविनाशः (avināśaḥ) - imperishable (imperishable, indestructible, eternal)

(adjective)

Nominative, masculine, singular of avināśa

avināśa - imperishable, indestructible, eternal, lasting

Nañ-tatpuruṣa compound: a- (not) + vināśa (destruction). Masculine nominative singular.

Compound type : Nañ-tatpuruṣa (a+vināśa)

• a – not, non-, without
  indeclinable
  Negative prefix
• vināśa – destruction, annihilation, loss
  noun (masculine)
  From vi- + √naś (to perish).
  Prefix: vi
  Root: naś (class 4)

प्रकाशकः (prakāśakaḥ) - illuminator (illuminator, revealer, giver of light)

(noun)

Nominative, masculine, singular of prakāśaka

prakāśaka - illuminator, revealer, giver of light, bright, shining

From pra-√kāś (to shine forth, illuminate) + aka (agent suffix). Masculine nominative singular.

Prefix: pra

Root: kāś (class 1)

Note: Often refers to the Supreme Being or Self (ātman).

अनेत्रलभ्यात् (anetralabhyāt) - from that which is not attainable by eyes (from that which is not attainable by the eye, imperceptible by sight)

(adjective)

Ablative, neuter, singular of anetralabhya

anetralabhya - not attainable by the eye, imperceptible by sight

Gerundive (labhya) with negative and compound.

Nañ-Tatpuruṣa compound: a- (not) + netra (eye) + labhya (to be obtained/perceived, gerundive from √labh). Masculine/Neuter ablative singular.

Compound type : Nañ-Tatpuruṣa (a+netra+labhya)

• a – not, non-, without
  indeclinable
  Negative prefix
• netra – eye
  noun (neuter)
  Root: nī (class 1)
• labhya – to be obtained, perceivable, attainable
  adjective (neuter)
  Gerundive
  From √labh (to obtain, perceive) with -ya suffix.
  Root: labh (class 1)

Note: Indicates the source of prakāśa.

कस्मात् (kasmāt) - from what source? (from what?, why?, wherefore?)

(pronoun)

Ablative, singular of kim

kim - who?, what?, which?

Masculine/Neuter ablative singular of the interrogative pronoun kim.

च (ca) - and (and, also, moreover)

(indeclinable)

Conjunction particle.

प्रकाशः (prakāśaḥ) - light (prakāśa) (light, brilliance, manifestation, lustre)

(noun)

Nominative, masculine, singular of prakāśa

prakāśa - light, brilliance, manifestation, lustre, publicity

From pra-√kāś (to shine forth). Masculine nominative singular.

Prefix: pra

Root: kāś (class 1)

संप्रवर्तते (saṁpravartate) - manifests, arises (proceeds, advances, arises, manifests, occurs)

(verb)

3rd person , singular, middle, present (laṭ) of saṃpravṛt

present middle

3rd person singular present indicative middle voice. Compound verb with sam and pra prefixes.

Prefixes: sam+pra

Root: vṛt (class 1)