योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-58, verse-34

मनः कृष्णमृत्सृज्य शममेष्यति विज्वरम् ।
भूतपूर्ववपुर्भूत्वा तरङ्गः पयसीव ते ॥ ३४ ॥

manaḥ kṛṣṇamṛtsṛjya śamameṣyati vijvaram ,
bhūtapūrvavapurbhūtvā taraṅgaḥ payasīva te 34

34. manaḥ kṛṣṇamṛt utsṛjya śamam eṣyati vijvaram
bhūtapūrvavapuḥ bhūtvā taraṅgaḥ payasi iva te

34. te manaḥ kṛṣṇamṛt utsṛjya vijvaram śamam eṣyati,
taraṅgaḥ bhūtapūrvavapuḥ bhūtvā payasi iva.

34. Having discarded its dark impurities (kṛṣṇamṛt), your mind will achieve inner peace (śama), free from agitation, just as a wave, returning to its original substance (bhūtapūrvavapuḥ), merges into the water.

Words meanings summery:

• मनः (manaḥ) - mind, intellect, heart

• कृष्णमृत् (kṛṣṇamṛt) - dark impurities of the mind (kṛṣṇamṛt) (black earth; impurities; ignorance)

• उत्सृज्य (utsṛjya) - having abandoned, having given up, having discarded

• शमम् (śamam) - inner peace (śama) (peace, tranquility, quietude, appeasement)

• एष्यति (eṣyati) - will attain (will go, will attain, will reach)

• विज्वरम् (vijvaram) - free from agitation (free from fever, tranquil, calm, undisturbed)

• भूतपूर्ववपुः (bhūtapūrvavapuḥ) - having become its original substance/form (bhūtapūrvavapuḥ) (having a former body/form; whose form was previously existing)

• भूत्वा (bhūtvā) - having become

• तरङ्गः (taraṅgaḥ) - wave, billow

• पयसि (payasi) - in the water (in water, in milk)

• इव (iva) - like, as, as if

• ते (te) - your, of you

Words meanings and morphology

मनः (manaḥ) - mind, intellect, heart

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, heart, consciousness

From root `man` (to think).

Root: man (class 4)

कृष्णमृत् (kṛṣṇamṛt) - dark impurities of the mind (kṛṣṇamṛt) (black earth; impurities; ignorance)

(noun)

Accusative, feminine, singular of kṛṣṇamṛt

kṛṣṇamṛt - black earth; metaphorical for impurities, ignorance, or the grosser aspects of existence

Karmadharaya compound.

Compound type : karmadhāraya (kṛṣṇa+mṛt)

• kṛṣṇa – black, dark; Krishna
  adjective (masculine)
• mṛt – earth, clay, soil
  noun (feminine)

Note: Here `mṛt` is the feminine stem, used as object.

उत्सृज्य (utsṛjya) - having abandoned, having given up, having discarded

(indeclinable)

Absolutive / Gerund

From root `sṛj` (to create, send forth) with upasarga `ut` (up, out).

Prefix: ut

Root: sṛj (class 6)

शमम् (śamam) - inner peace (śama) (peace, tranquility, quietude, appeasement)

(noun)

Accusative, masculine, singular of śama

śama - peace, tranquility, quietude, appeasement, spiritual calm

From root `śam` (to be quiet, calm).

Root: śam (class 4)

एष्यति (eṣyati) - will attain (will go, will attain, will reach)

(verb)

3rd person , singular, active, future (lṛṭ) of i

Future

Future tense, 3rd person singular of root `i`.

Root: i (class 2)

विज्वरम् (vijvaram) - free from agitation (free from fever, tranquil, calm, undisturbed)

(adjective)

Accusative, neuter, singular of vijvara

vijvara - free from fever, tranquil, calm, undisturbed, healthy

From `vi` (without) + `jvara` (fever, distress).

Compound type : pradi-samāsa (vi+jvara)

• vi – without, separation
  indeclinable
  Prefix meaning 'without', 'apart'.
• jvara – fever, distress, agitation
  noun (masculine)

Note: Adjective for `manaḥ`.

भूतपूर्ववपुः (bhūtapūrvavapuḥ) - having become its original substance/form (bhūtapūrvavapuḥ) (having a former body/form; whose form was previously existing)

(adjective)

Nominative, masculine, singular of bhūtapūrvavapus

bhūtapūrvavapus - having a former body/form; whose form was previously existing

Bahuvrihi compound.

Compound type : bahuvrihi (bhūtapūrva+vapus)

• bhūtapūrva – former, pre-existent, having existed before
  adjective (masculine)
  Compound of `bhūta` (become, existent, past passive participle of `bhū`) and `pūrva` (former).
• vapus – body, form, nature, substance
  noun (neuter)

Note: Refers to `taraṅgaḥ`.

भूत्वा (bhūtvā) - having become

(indeclinable)

Absolutive / Gerund

From root `bhū` (to be) with `ktvā` suffix.

Root: bhū (class 1)

तरङ्गः (taraṅgaḥ) - wave, billow

(noun)

Nominative, masculine, singular of taraṅga

taraṅga - wave, billow, surge, fluctuation

पयसि (payasi) - in the water (in water, in milk)

(noun)

Locative, neuter, singular of payas

payas - water, milk, fluid, vital energy

From root `pā` (to drink) or `pyā` (to swell).

Root: pā/pyā (class 1)

इव (iva) - like, as, as if

(indeclinable)

Particle of comparison.

ते (te) - your, of you

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Pronominal form.

Note: Refers to the person addressed, whose mind is being discussed.