योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-80, verse-28

संवेदनाद्यदर्कादिप्रकाशस्य प्रकाशकः ।
न नश्यत्यात्मभारूपो महाकल्पाम्बुदैरपि ॥ २८ ॥

saṃvedanādyadarkādiprakāśasya prakāśakaḥ ,
na naśyatyātmabhārūpo mahākalpāmbudairapi 28

28. saṃvedanāt yat arka-ādi-prakāśasya prakāśakaḥ | na
naśyati ātma-bhā-rūpaḥ mahā-kalpa-ambudaiḥ api ||

28. saṃvedanāt yat arka-ādi-prakāśasya prakāśakaḥ (saḥ agniḥ);
saḥ ātma-bhā-rūpaḥ mahā-kalpa-ambudaiḥ api na naśyati

28. From pure sensation (saṃvedana), that which is the illuminator of the light of the sun (arka) and other luminaries, that very form (rūpa) of self-radiance (ātma-bhā) does not perish (na naśyati) even by the clouds (ambudaiḥ) of a great cosmic dissolution (mahākalpa).

Words meanings summery:

• संवेदनात् (saṁvedanāt) - from consciousness, from sensation, from perfect knowledge

• यत् (yat) - which, that which

• अर्कादिप्रकाशस्य (arkādiprakāśasya) - of the light of the sun and others

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

• न (na) - not

• नश्यति (naśyati) - perishes, is destroyed

• आत्मभारूपः (ātmabhārūpaḥ) - whose form (rūpa) is self-radiance (ātma-bhā), having the nature of self-light

• महाकल्पाम्बुदैः (mahākalpāmbudaiḥ) - by the clouds of a great cosmic dissolution

• अपि (api) - even, also

Words meanings and morphology

संवेदनात् (saṁvedanāt) - from consciousness, from sensation, from perfect knowledge

(noun)

Ablative, neuter, singular of saṃvedana

saṁvedana - consciousness, sensation, perfect knowledge, perception

Prefix: sam

Root: vid (class 2)

यत् (yat) - which, that which

(pronoun)

Nominative, neuter, singular of yad

yad - which, what

Note: Refers to the underlying reality that is the illuminator (prakāśakaḥ).

अर्कादिप्रकाशस्य (arkādiprakāśasya) - of the light of the sun and others

(noun)

Genitive, masculine, singular of arkādiprakāśa

arkādiprakāśa - the light of the sun and so on

Compound type : ṣaṣṭhī-tatpuruṣa (arka+ādi+prakāśa)

• arka – sun
  noun (masculine)
• ādi – beginning, et cetera, and others
  indeclinable/noun
• prakāśa – light, luminosity, manifestation
  noun (masculine)
  From root kāś (to shine) with prefix pra
  Prefix: pra
  Root: kāś (class 1)

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

(noun)

Nominative, masculine, singular of prakāśaka

prakāśaka - illuminator, revealer, causing to shine, light-giver

Agent noun from 'prakāś' (to shine forth).

Prefix: pra

Root: kāś (class 1)

न (na) - not

(indeclinable)

नश्यति (naśyati) - perishes, is destroyed

(verb)

3rd person , singular, active, present indicative (laṭ) of naś

Root: naś (class 4)

आत्मभारूपः (ātmabhārūpaḥ) - whose form (rūpa) is self-radiance (ātma-bhā), having the nature of self-light

(adjective)

Nominative, masculine, singular of ātmabhārūpa

ātmabhārūpa - having the form of self-radiance, self-luminous form

Compound type : bahuvrīhi (ātman+bhā+rūpa)

• ātman – Self, soul, intrinsic nature
  noun (masculine)
• bhā – light, radiance, splendor
  noun (feminine)
  Root: bhā (class 2)
• rūpa – form, shape, nature, appearance
  noun (neuter)

Note: Qualifies the implied subject (the 'fire' of consciousness).

महाकल्पाम्बुदैः (mahākalpāmbudaiḥ) - by the clouds of a great cosmic dissolution

(noun)

Instrumental, masculine, plural of mahākalpāmbuda

mahākalpāmbuda - clouds of a great cosmic dissolution (mahākalpa)

Compound type : ṣaṣṭhī-tatpuruṣa (mahākalpa+ambuda)

• mahākalpa – great cosmic age, great kalpa
  noun (masculine)
• ambuda – cloud (giver of water)
  noun (masculine)

अपि (api) - even, also

(indeclinable)

Note: Emphasizes the preceding noun.