योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-4, verse-29

बाष्पेणेवाहमर्थेन निःसारेणापि सारवत् ।
व्यामलः परमादर्शस्तच्छान्तौ संप्रसीदति ॥ २९ ॥

bāṣpeṇevāhamarthena niḥsāreṇāpi sāravat ,
vyāmalaḥ paramādarśastacchāntau saṃprasīdati 29

29. bāṣpeṇa iva ahamarthena niḥsāreṇa api sāravat
vyāmalaḥ paramādarśaḥ tat śāntau samprasīdati

29. vyāmalaḥ paramādarśaḥ bāṣpeṇa iva niḥsāreṇa api sāravat ahamarthena (ācchāditaḥ); tat śāntau samprasīdati.

29. The supreme, perfectly clear mirror becomes perfectly clear upon the cessation of the 'I'-sense (ahaṅkāra), which, like vapor, is essenceless yet appears to have substance.

Words meanings summery:

• बाष्पेण (bāṣpeṇa) - by vapor, by steam

• इव (iva) - like, as if

• अहमर्थेन (ahamarthena) - by the sense of 'I', by the ego (ahaṅkāra)

• निःसारेण (niḥsāreṇa) - by the essenceless, by the unsubstantial

• अपि (api) - even, also, though

• सारवत् (sāravat) - substantially, having essence, appearing substantial

• व्यामलः (vyāmalaḥ) - perfectly clear, spotless

• परमादर्शः (paramādarśaḥ) - supreme mirror, ultimate reflection

• तत् (tat) - that (referring to the 'I'-sense/ahaṅkāra)

• शान्तौ (śāntau) - in the cessation, in the tranquility

• सम्प्रसीदति (samprasīdati) - it becomes perfectly clear, it becomes serene

Words meanings and morphology

बाष्पेण (bāṣpeṇa) - by vapor, by steam

(noun)

Instrumental, masculine, singular of bāṣpa

bāṣpa - vapor, steam, tears

इव (iva) - like, as if

(indeclinable)

अहमर्थेन (ahamarthena) - by the sense of 'I', by the ego (ahaṅkāra)

(noun)

Instrumental, masculine, singular of ahamartha

ahamartha - the sense of 'I', ego, self-consciousness

Compound type : tatpuruṣa (aham+artha)

• aham – I, self
  pronoun
• artha – meaning, purpose, object, sense
  noun (masculine)

निःसारेण (niḥsāreṇa) - by the essenceless, by the unsubstantial

(adjective)

Instrumental, masculine, singular of niḥsāra

niḥsāra - essenceless, unsubstantial, worthless, weak

Compound type : bahuvrīhi (nis+sāra)

• nis – out, forth, without
  indeclinable
• sāra – essence, substance, pith, strength
  noun (masculine)

अपि (api) - even, also, though

(indeclinable)

सारवत् (sāravat) - substantially, having essence, appearing substantial

(adjective)

Nominative, masculine, singular of sāravat

sāravat - substantial, essential, valuable, possessing essence

Note: Although adjectival, it acts as a predicate or adverbially to describe the appearance of 'ahamartha'.

व्यामलः (vyāmalaḥ) - perfectly clear, spotless

(adjective)

Nominative, masculine, singular of vyāmala

vyāmala - perfectly clear, spotless, pure

परमादर्शः (paramādarśaḥ) - supreme mirror, ultimate reflection

(noun)

Nominative, masculine, singular of paramādarśa

paramādarśa - supreme mirror, ultimate example

Compound type : karmadhāraya (parama+ādarśa)

• parama – supreme, highest, ultimate
  adjective (masculine)
• ādarśa – mirror, reflection, ideal
  noun (masculine)

तत् (tat) - that (referring to the 'I'-sense/ahaṅkāra)

(pronoun)

masculine, singular of tad

tad - that, it

Note: Forms part of the locative absolute construction 'tat śāntau', referring to 'ahamartha'.

शान्तौ (śāntau) - in the cessation, in the tranquility

(noun)

Locative, feminine, singular of śānti

śānti - peace, tranquility, cessation, calm, quiet

Note: Used in a locative absolute construction ('tat śāntau').

सम्प्रसीदति (samprasīdati) - it becomes perfectly clear, it becomes serene

(verb)

3rd person , singular, active, present (laṭ) of sampra-sad

Prefixes: sam+pra

Root: sad (class 1)