योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-127, verse-19

नक्षत्रचक्राद्द्विगुणं ततोऽन्यद्विद्यते नभः ।
तच्च क्वचित्प्रकाशाढ्यं क्वचित्सान्द्रतमोमयम् ॥ १९ ॥

nakṣatracakrāddviguṇaṃ tato'nyadvidyate nabhaḥ ,
tacca kvacitprakāśāḍhyaṃ kvacitsāndratamomayam 19

19. nakṣatracakrāt dviguṇam tataḥ anyat vidyate nabhaḥ |
tat ca kvacit prakāśāḍhyam kvacit sāndratamomayam ||

19. tataḥ nakṣatracakrāt dviguṇam anyat nabhaḥ vidyate.
tat ca kvacit prakāśāḍhyam,
kvacit sāndratamomayam (ca asti).

19. Beyond that sphere of constellations, there exists another space twice its size. And that space is in some places full of light, and in other places consists of dense darkness.

Words meanings summery:

• नक्षत्रचक्रात् (nakṣatracakrāt) - from the sphere of constellations, from the star-circle

• द्विगुणम् (dviguṇam) - twofold, double, twice

• ततः (tataḥ) - then, thereafter, from that

• अन्यत् (anyat) - other, another

• विद्यते (vidyate) - exists, is found, is present

• नभः (nabhaḥ) - sky, space, atmosphere

• तत् (tat) - that space (nabhaḥ) (that, it)

• च (ca) - and, also

• क्वचित् (kvacit) - somewhere, in some places, sometimes

• प्रकाशाढ्यम् (prakāśāḍhyam) - full of light, resplendent, abundant in light

• क्वचित् (kvacit) - somewhere, in some places, sometimes

• सान्द्रतमोमयम् (sāndratamomayam) - consisting of dense darkness, full of thick darkness

Words meanings and morphology

नक्षत्रचक्रात् (nakṣatracakrāt) - from the sphere of constellations, from the star-circle

(noun)

Ablative, neuter, singular of nakṣatracakra

nakṣatracakra - sphere of stars, constellation, galaxy

Compound type : tatpuruṣa (nakṣatra+cakra)

• nakṣatra – star, constellation
  noun (neuter)
• cakra – circle, sphere, disk, region
  noun (neuter)

द्विगुणम् (dviguṇam) - twofold, double, twice

(adjective)

Nominative, neuter, singular of dviguṇa

dviguṇa - twofold, double, twice

Compound type : tatpuruṣa (dvi+guṇa)

• dvi – two
  numeral
• guṇa – multiplier, quality, thread
  noun (masculine)

ततः (tataḥ) - then, thereafter, from that

(indeclinable)

अन्यत् (anyat) - other, another

(pronoun)

Nominative, neuter, singular of anya

anya - other, another, different

विद्यते (vidyate) - exists, is found, is present

(verb)

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

Present Indicative

Root 'vid', 4th class, Ātmanepada

Root: vid (class 4)

नभः (nabhaḥ) - sky, space, atmosphere

(noun)

Nominative, neuter, singular of nabhas

nabhas - sky, atmosphere, space, heaven

तत् (tat) - that space (nabhaḥ) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

च (ca) - and, also

(indeclinable)

क्वचित् (kvacit) - somewhere, in some places, sometimes

(indeclinable)

प्रकाशाढ्यम् (prakāśāḍhyam) - full of light, resplendent, abundant in light

(adjective)

Nominative, neuter, singular of prakāśāḍhya

prakāśāḍhya - rich in light, full of brilliance

Compound type : tatpuruṣa (prakāśa+āḍhya)

• prakāśa – light, brightness, splendor, manifestation
  noun (masculine)
  Prefix: pra
• āḍhya – rich, wealthy, full of, abundant in
  adjective (neuter)

क्वचित् (kvacit) - somewhere, in some places, sometimes

(indeclinable)

सान्द्रतमोमयम् (sāndratamomayam) - consisting of dense darkness, full of thick darkness

(adjective)

Nominative, neuter, singular of sāndratamomaya

sāndratamomaya - consisting of dense darkness

Compound type : tatpuruṣa (sāndra+tamas+maya)

• sāndra – dense, thick, compact
  adjective (neuter)
• tamas – darkness, gloom
  noun (neuter)
• maya – consisting of, full of, made of
  suffix (neuter)