योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-203, verse-11

सूर्यकान्तवरोत्थेन वह्निनेव समेधिते ।
द्विगुणं प्रज्वलत्यर्कशून्ये गगनधामनि ॥ ११ ॥

sūryakāntavarotthena vahnineva samedhite ,
dviguṇaṃ prajvalatyarkaśūnye gaganadhāmani 11

11. sūryakānta-vara-utthena vahninā iva samedhite
dviguṇam prajvalati arka-śūnye gagana-dhāmani

11. arka-śūnye gagana-dhāmani sūryakānta-vara-utthena
vahninā iva samedhite [it] dviguṇam prajvalati

11. In the sunless sky, it blazed with double intensity, as if ignited by the fire generated from the supreme sunstone.

Words meanings summery:

• सूर्यकान्तवरोत्थेन (sūryakāntavarotthena) - by that which is produced from the best sunstone

• वह्निना (vahninā) - by fire

• इव (iva) - like, as if

• समेधिते (samedhite) - referring to the sky (gaganadhāmani) (when kindled, in that which is kindled)

• द्विगुणम् (dviguṇam) - doubly, twice, twofold

• प्रज्वलति (prajvalati) - blazes, shines brightly

• अर्कशून्ये (arkaśūnye) - in the sunless sky (in the sunless (place))

• गगनधामनि (gaganadhāmani) - in the sky (in the abode of the sky)

Words meanings and morphology

सूर्यकान्तवरोत्थेन (sūryakāntavarotthena) - by that which is produced from the best sunstone

(adjective)

Instrumental, masculine, singular of sūryakāntavarottha

sūryakāntavarottha - produced from the excellent sunstone

compound of sūryakānta, vara, and uttha

Compound type : tatpurusha (sūryakānta+vara+uttha)

• sūryakānta – sunstone, sun-gem (lit. beloved of the sun)
  noun (masculine)
  compound of sūrya and kānta
• vara – excellent, best; boon
  adjective (masculine)
• uttha – arisen, produced, sprung from
  adjective (masculine)
  Past Passive Participle
  from root sthā with upasarga ud
  Prefix: ud
  Root: sthā (class 1)

वह्निना (vahninā) - by fire

(noun)

Instrumental, masculine, singular of vahni

vahni - fire, god of fire

इव (iva) - like, as if

(indeclinable)

समेधिते (samedhite) - referring to the sky (gaganadhāmani) (when kindled, in that which is kindled)

(adjective)

Locative, neuter, singular of samedhita

samedhita - kindled, inflamed, intensified

Past Passive Participle

from root idh with upasarga sam

Prefix: sam

Root: idh (class 7)

Note: Qualifies 'gaganadhāmani'

द्विगुणम् (dviguṇam) - doubly, twice, twofold

(indeclinable)

compound of dvi and guṇa

Note: Functions as an adverb.

प्रज्वलति (prajvalati) - blazes, shines brightly

(verb)

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

present stem

root jval with upasarga pra

Prefix: pra

Root: jval (class 1)

अर्कशून्ये (arkaśūnye) - in the sunless sky (in the sunless (place))

(adjective)

Locative, neuter, singular of arkaśūnya

arkaśūnya - devoid of the sun, sunless

compound of arka and śūnya

Compound type : tatpurusha (arka+śūnya)

• arka – sun, ray, praise
  noun (masculine)
• śūnya – empty, void, devoid of
  adjective (neuter)

Note: Qualifies 'gaganadhāmani'

गगनधामनि (gaganadhāmani) - in the sky (in the abode of the sky)

(noun)

Locative, neuter, singular of gaganadhāman

gaganadhāman - abode of the sky, the sky

compound of gagana and dhāman

Compound type : tatpurusha (gagana+dhāman)

• gagana – sky, atmosphere
  noun (neuter)
• dhāman – abode, realm, seat, light, splendor
  noun (neuter)