योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-128, verse-15

सलिलाद्द्विगुणं तेजस्तेजसो द्विगुणोऽनिलः ।
वायोर्द्विगुणमाकाशमूर्ध्वमेकैकशः क्रमात् ॥ १५ ॥

salilāddviguṇaṃ tejastejaso dviguṇo'nilaḥ ,
vāyordviguṇamākāśamūrdhvamekaikaśaḥ kramāt 15

15. salilāt dviguṇam tejaḥ tejasaḥ dviguṇaḥ anilaḥ
vāyoḥ dviguṇam ākāśam ūrdhvam ekaikaśaḥ kramāt

15. salilāt tejaḥ dviguṇam,
tejasaḥ anilaḥ dviguṇaḥ vāyoḥ ākāśam dviguṇam,
ūrdhvam ekaikaśaḥ kramāt

15. From water (salila), fire (tejas) is twice the size; from fire, wind (anila) is twice the size. From wind, space (ākāśa) is twice the size. This succession proceeds upwards, each one in order.

Words meanings summery:

• सलिलात् (salilāt) - from water, than water

• द्विगुणम् (dviguṇam) - double, twofold, twice the size

• तेजः (tejaḥ) - fire, light, energy, brilliance

• तेजसः (tejasaḥ) - from fire/light/energy, than fire/light/energy

• द्विगुणः (dviguṇaḥ) - double, twofold, twice the size

• अनिलः (anilaḥ) - wind, air

• वायोः (vāyoḥ) - from wind/air, than wind/air

• द्विगुणम् (dviguṇam) - double, twofold, twice the size

• आकाशम् (ākāśam) - space, ether, sky

• ऊर्ध्वम् (ūrdhvam) - upwards, above, higher

• एकैकशः (ekaikaśaḥ) - one by one, each separately, individually

• क्रमात् (kramāt) - in succession, in order, gradually

Words meanings and morphology

सलिलात् (salilāt) - from water, than water

(noun)

Ablative, neuter, singular of salila

salila - water (salila)

Root: sal (class 1)

Note: Used in comparison 'than water'.

द्विगुणम् (dviguṇam) - double, twofold, twice the size

(adjective)

Nominative, neuter, singular of dviguṇa

dviguṇa - double, twofold, twice

Compound type : dvigu (dvi+guṇa)

• dvi – two
  numeral
• guṇa – quality, attribute, multiple
  noun (masculine)

तेजः (tejaḥ) - fire, light, energy, brilliance

(noun)

Nominative, neuter, singular of tejas

tejas - fire, light, energy, brilliance, sharp edge (tejas)

Root: tij (class 1)

तेजसः (tejasaḥ) - from fire/light/energy, than fire/light/energy

(noun)

Ablative, neuter, singular of tejas

tejas - fire, light, energy, brilliance, sharp edge (tejas)

Root: tij (class 1)

Note: Used in comparison 'than fire'.

द्विगुणः (dviguṇaḥ) - double, twofold, twice the size

(adjective)

Nominative, masculine, singular of dviguṇa

dviguṇa - double, twofold, twice

Compound type : dvigu (dvi+guṇa)

• dvi – two
  numeral
• guṇa – quality, attribute, multiple
  noun (masculine)

अनिलः (anilaḥ) - wind, air

(noun)

Nominative, masculine, singular of anila

anila - wind, air (anila)

Root: an (class 2)

वायोः (vāyoḥ) - from wind/air, than wind/air

(noun)

Ablative, masculine, singular of vāyu

vāyu - wind, air (vāyu)

Root: vā (class 2)

Note: Used in comparison 'than wind'.

द्विगुणम् (dviguṇam) - double, twofold, twice the size

(adjective)

Nominative, neuter, singular of dviguṇa

dviguṇa - double, twofold, twice

Compound type : dvigu (dvi+guṇa)

• dvi – two
  numeral
• guṇa – quality, attribute, multiple
  noun (masculine)

आकाशम् (ākāśam) - space, ether, sky

(noun)

Nominative, neuter, singular of ākāśa

ākāśa - space, ether, sky (ākāśa)

Root: kāś (class 1)

ऊर्ध्वम् (ūrdhvam) - upwards, above, higher

(indeclinable)

Note: Used adverbially here.

एकैकशः (ekaikaśaḥ) - one by one, each separately, individually

(indeclinable)

Derived from ekaika (each one) with adverbial suffix -śaḥ.

क्रमात् (kramāt) - in succession, in order, gradually

(noun)

Ablative, masculine, singular of krama

krama - step, order, succession, course

Root: kram (class 1)

Note: Used adverbially here, meaning 'in due order'.