योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-31, verse-10

अपमृष्टमलोदेति क्षालनेनामृतद्युतिः ।
मनश्चन्द्रमसः केन तेन कामकलङ्कितात् ॥ १० ॥

apamṛṣṭamalodeti kṣālanenāmṛtadyutiḥ ,
manaścandramasaḥ kena tena kāmakalaṅkitāt 10

10. apamṛṣṭamalaḥ udeti kṣālanena amṛtadyutiḥ
manaḥ candramasaḥ kena tena kāmakalaṅkitāt

10. amṛtadyutiḥ apamṛṣṭamalaḥ kṣālanena udeti manaḥ
kāmakalaṅkitāt candramasaḥ tena kena [śudhyati]

10. The moon (amṛtadyutiḥ) emerges, its impurities removed by cleansing. By what means, then, can the mind (manaḥ) be purified from the stains of desire (kāma), as if it were the moon (candramasaḥ)?

Words meanings summery:

• अपमृष्टमलः (apamṛṣṭamalaḥ) - having its impurities removed, cleansed of dirt

• उदेति (udeti) - rises, emerges, comes forth

• क्षालनेन (kṣālanena) - by washing, by cleansing

• अमृतद्युतिः (amṛtadyutiḥ) - moon (having nectar-like radiance), divine splendor

• मनः (manaḥ) - mind, intellect, heart, consciousness

• चन्द्रमसः (candramasaḥ) - of the moon

• केन (kena) - by what? by whom?

• तेन (tena) - by that, by him/it

• कामकलङ्कितात् (kāmakalaṅkitāt) - from being stained by desire, from desire-stained

Words meanings and morphology

अपमृष्टमलः (apamṛṣṭamalaḥ) - having its impurities removed, cleansed of dirt

(adjective)

Nominative, masculine, singular of apamṛṣṭamala

apamṛṣṭamala - whose dirt/impurities have been wiped off

Compound type : bahuvrīhi (apa+mṛṣṭa+mala)

• apa – away, off, removal
  indeclinable
  Prefix indicating separation or removal
• mṛṣṭa – wiped, cleansed, purified
  adjective
  Past Passive Participle
  Derived from root √mṛj (to wipe, to clean) + -ta suffix
  Root: mṛj (class 2)
• mala – dirt, impurity, stain, blemish
  noun (neuter)

उदेति (udeti) - rises, emerges, comes forth

(verb)

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

Prefix: ud

Root: i (class 2)

क्षालनेन (kṣālanena) - by washing, by cleansing

(noun)

Instrumental, neuter, singular of kṣālana

kṣālana - washing, cleansing

Derived from root √kṣāl (to wash)

Root: kṣāl (class 10)

अमृतद्युतिः (amṛtadyutiḥ) - moon (having nectar-like radiance), divine splendor

(noun)

Nominative, masculine, singular of amṛtadyuti

amṛtadyuti - nectar-rayed (referring to the moon), shining with immortality

Compound type : tatpurusha (amṛta+dyuti)

• amṛta – nectar, immortality, imperishable
  noun (neuter)
• dyuti – light, splendor, radiance, gleam
  noun (feminine)
  Root: dyut (class 1)

मनः (manaḥ) - mind, intellect, heart, consciousness

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, understanding, heart

Root: man (class 4)

चन्द्रमसः (candramasaḥ) - of the moon

(noun)

Genitive, masculine, singular of candramas

candramas - the moon

केन (kena) - by what? by whom?

(pronoun)

Instrumental, masculine/neuter, singular of kim

kim - what?, which?, who?, why?

तेन (tena) - by that, by him/it

(pronoun)

Instrumental, masculine/neuter, singular of tad

tad - that, he, she, it

कामकलङ्कितात् (kāmakalaṅkitāt) - from being stained by desire, from desire-stained

(adjective)

Ablative, masculine/neuter, singular of kāmakalaṅkita

kāmakalaṅkita - stained or defiled by desire

Compound type : instrumental tatpurusha (kāma+kalaṅkita)

• kāma – desire, lust, love
  noun (masculine)
  Root: kam (class 1)
• kalaṅkita – stained, defiled, tarnished
  adjective
  Past Passive Participle
  Derived from root √kalaṅk (to stain) + -ita suffix
  Root: kalaṅk (class 10)