योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-86, verse-59

शरदीव घनः स्वैरं प्राप्तः कल्पान्तसर्गवत् ।
ओंकारान्ते स्वमननं प्रशाम्याम्यात्मनात्मनि ।
दग्धेन्धन इवार्चिष्मान्निःस्नेह इव दीपकः ॥ ५९ ॥

śaradīva ghanaḥ svairaṃ prāptaḥ kalpāntasargavat ,
oṃkārānte svamananaṃ praśāmyāmyātmanātmani ,
dagdhendhana ivārciṣmānniḥsneha iva dīpakaḥ 59

59. śaradi iva ghanaḥ svairam prāptaḥ
kalpāntasargavat oṃkārānte svamananam
praśāmyāmi ātmanā ātmani dagdhendhanaḥ
iva arciṣmān niḥsnehaḥ iva dīpakaḥ

59. (aham) oṃkārānte svamananam ātmanā ātmani praśāmyāmi;
(etat) śaradi iva ghanaḥ svairam prāptaḥ
(bhavati); kalpāntasargavat (bhavati); dagdhendhanaḥ
iva arciṣmān niḥsnehaḥ iva dīpakaḥ (bhavati)

59. Like a cloud that disperses freely in autumn, or like the dissolution (and subsequent re-creation) at the end of a cosmic cycle (kalpa). At the conclusion of Om (oṃkāra), I pacify my own mental activity within the Self (ātman) by means of the Self (ātman), just as a flame (arciṣmān) with its fuel burnt out, or a lamp (dīpaka) that is devoid of oil (extinguishes).

Words meanings summery:

• शरदि (śaradi) - in autumn, at autumn

• इव (iva) - like, as, as if

• घनः (ghanaḥ) - cloud, dense, thick

• स्वैरम् (svairam) - freely, voluntarily, at will, gently

• प्राप्तः (prāptaḥ) - obtained, reached, arrived, come forth

• कल्पान्तसर्गवत् (kalpāntasargavat) - like the creation/dissolution at the end of a kalpa (aeon)

• ॐकारान्ते (oṁkārānte) - at the end of Om (oṃkāra), at Om's conclusion

• स्वमननम् (svamananam) - my own mental activity, self-reflection, thought

• प्रशाम्यामि (praśāmyāmi) - I pacify, I calm, I quieten

• आत्मना (ātmanā) - by the self, by the soul, by the mind (ātman)

• आत्मनि (ātmani) - in the self, in the soul, in the mind (ātman)

• दग्धेन्धनः (dagdhendhanaḥ) - whose fuel is burnt, with burnt fuel

• इव (iva) - like, as, as if

• अर्चिष्मान् (arciṣmān) - radiant, flaming, a flame (arciṣmān)

• निःस्नेहः (niḥsnehaḥ) - without oil, devoid of affection

• इव (iva) - like, as, as if

• दीपकः (dīpakaḥ) - lamp (dīpaka), illuminator

Words meanings and morphology

शरदि (śaradi) - in autumn, at autumn

(noun)

Locative, feminine, singular of śarad

śarad - autumn

इव (iva) - like, as, as if

(indeclinable)

घनः (ghanaḥ) - cloud, dense, thick

(noun)

Nominative, masculine, singular of ghana

ghana - cloud, dense, solid

Root: ghan (class 1)

स्वैरम् (svairam) - freely, voluntarily, at will, gently

(indeclinable)

Note: Adverbial use of svaira (neuter accusative singular).

प्राप्तः (prāptaḥ) - obtained, reached, arrived, come forth

(adjective)

Nominative, masculine, singular of prāpta

prāpta - obtained, reached, arrived

past passive participle

from pra-√āp

Prefix: pra

Root: āp (class 5)

Note: Qualifies ghanaḥ.

कल्पान्तसर्गवत् (kalpāntasargavat) - like the creation/dissolution at the end of a kalpa (aeon)

(adjective)

Nominative, masculine, singular of kalpāntasargavat

kalpāntasargavat - like the creation/dissolution at the end of a kalpa

from kalpāntasarga + suffix -vat

Compound type : tatpuruṣa (kalpa+anta+sarga+-vat)

• kalpa – aeon, cosmic cycle (kalpa)
  noun (masculine)
  Root: kḷp (class 1)
• anta – end, limit, conclusion
  noun (masculine)
  Root: ant (class 1)
• sarga – creation, emanation, chapter
  noun (masculine)
  from root √sṛj
  Root: sṛj (class 6)
• -vat – like, as, similar to
  suffix
  primary suffix

Note: Adjectival use, agreeing with the implicit subject.

ॐकारान्ते (oṁkārānte) - at the end of Om (oṃkāra), at Om's conclusion

(noun)

Locative, masculine, singular of oṃkārānta

oṁkārānta - end of Om (oṃkāra), conclusion of Om

Compound type : tatpuruṣa (oṃkāra+anta)

• oṃkāra – the syllable Om, the sound Om (oṃkāra)
  noun (masculine)
  Root: kṛ (class 8)
• anta – end, limit, conclusion
  noun (masculine)
  Root: ant (class 1)

स्वमननम् (svamananam) - my own mental activity, self-reflection, thought

(noun)

Accusative, neuter, singular of svamanana

svamanana - self-thought, own mental activity

Compound type : tatpuruṣa (sva+manana)

• sva – one's own, self
  pronoun (neuter)
• manana – thinking, reflecting, mental activity
  noun (neuter)
  nominalized from root √man
  Root: man (class 4)

प्रशाम्यामि (praśāmyāmi) - I pacify, I calm, I quieten

(verb)

1st person , singular, active, present (laṭ) of praśam

present indicative

1st person singular present active

Prefix: pra

Root: śam (class 4)

आत्मना (ātmanā) - by the self, by the soul, by the mind (ātman)

(noun)

Instrumental, masculine, singular of ātman

ātman - self, soul, spirit, mind, essence (ātman)

Root: an (class 2)

आत्मनि (ātmani) - in the self, in the soul, in the mind (ātman)

(noun)

Locative, masculine, singular of ātman

ātman - self, soul, spirit, mind, essence (ātman)

Root: an (class 2)

दग्धेन्धनः (dagdhendhanaḥ) - whose fuel is burnt, with burnt fuel

(adjective)

Nominative, masculine, singular of dagdhendhana

dagdhendhana - whose fuel is burnt, with burnt fuel

Compound type : bahuvrīhi (dagdha+indhana)

• dagdha – burnt, consumed by fire
  adjective (masculine)
  past passive participle
  from root √dah
  Root: dah (class 1)
• indhana – fuel, firewood
  noun (neuter)
  Root: idh (class 7)

Note: Qualifies arciṣmān.

इव (iva) - like, as, as if

(indeclinable)

अर्चिष्मान् (arciṣmān) - radiant, flaming, a flame (arciṣmān)

(noun)

Nominative, masculine, singular of arciṣmat

arciṣmat - radiant, flaming, a flame

Possessive suffix -mat from arcis (flame, ray)

Root: arc (class 1)

Note: Nominative singular masculine of arciṣmat.

निःस्नेहः (niḥsnehaḥ) - without oil, devoid of affection

(adjective)

Nominative, masculine, singular of niḥsneha

niḥsneha - without oil, devoid of affection

Compound type : bahuvrīhi (nis+sneha)

• nis – without, out
  indeclinable
  prefix indicating absence or lack
• sneha – oil, fat, affection
  noun (masculine)
  Root: snih (class 4)

Note: Qualifies dīpakaḥ.

इव (iva) - like, as, as if

(indeclinable)

दीपकः (dīpakaḥ) - lamp (dīpaka), illuminator

(noun)

Nominative, masculine, singular of dīpaka

dīpaka - lamp, illuminator, kindler

Agent noun from root √dīp

Root: dīp (class 4)