योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-21, verse-38

दृष्ट्वा दृश्यैकतानत्वं विद्धि त्वं मोहनं मनः ।
प्रमार्जयेव तन्मिथ्या महामलिनकर्दमम् ॥ ३८ ॥

dṛṣṭvā dṛśyaikatānatvaṃ viddhi tvaṃ mohanaṃ manaḥ ,
pramārjayeva tanmithyā mahāmalinakardamam 38

38. dṛṣṭvā dṛśya-ekatānatvam viddhi tvam mohanam manaḥ
pramārjayet iva tat mithyā mahā-malina-kardamam

38. tvam dṛṣṭvā dṛśya-ekatānatvam viddhi manaḥ mohanam
iva pramārjayet tat mithyā mahā-malina-kardamam

38. Having seen the mind's (manas) complete absorption in the visible world, know that this mind is deluding. You should wipe away its illusory, deep, defiling mire as if cleansing it.

Words meanings summery:

• दृष्ट्वा (dṛṣṭvā) - having seen, having perceived

• दृश्य-एकतानत्वम् (dṛśya-ekatānatvam) - the state of being solely focused on the visible, identification with the visible

• विद्धि (viddhi) - know, understand

• त्वम् (tvam) - you

• मोहनम् (mohanam) - deluding, bewildering

• मनः (manaḥ) - mind, intellect, heart

• प्रमार्जयेत् (pramārjayet) - one should cleanse, wipe away, purify

• इव (iva) - as if, like, similar to

• तत् (tat) - that, its (referring to manaḥ)

• मिथ्या (mithyā) - falsely, untruly, illusorily; false, illusory

• महा-मलिन-कर्दमम् (mahā-malina-kardamam) - great, dirty mud/mire, deeply defiling mud

Words meanings and morphology

दृष्ट्वा (dṛṣṭvā) - having seen, having perceived

(indeclinable)

Absolutive / Gerund

root dṛś + ktvā pratyaya

Root: dṛś (class 1)

दृश्य-एकतानत्वम् (dṛśya-ekatānatvam) - the state of being solely focused on the visible, identification with the visible

(noun)

Accusative, neuter, singular of dṛśya-ekatānatva

dṛśya-ekatānatva - the state of being one-pointed on the visible, absorption in the seen

Compound type : ṣaṣṭhī-tatpuruṣa (dṛśya+ekatāna+tva)

• dṛśya – the visible, to be seen
  noun (neuter)
  Gerundive
  root dṛś + ya-pratyaya
  Root: dṛś (class 1)
• ekatāna – one-pointed, solely devoted
  adjective
• tva – suffix for 'state of being', 'nature of'
  indeclinable

विद्धि (viddhi) - know, understand

(verb)

2nd person , singular, active, imperative (loṭ) of vid

Root: vid (class 2)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

मोहनम् (mohanam) - deluding, bewildering

(adjective)

neuter, singular of mohana

mohana - deluding, bewildering, causing infatuation; delusion

Root: muh (class 4)

मनः (manaḥ) - mind, intellect, heart

(noun)

Accusative, neuter, singular of manas

manas - mind, intellect, heart, consciousness

प्रमार्जयेत् (pramārjayet) - one should cleanse, wipe away, purify

(verb)

3rd person , singular, active, optative (vidhiliṅ) of mṛj

Causative

Causative form of mṛj (mārjayati) + pra prefix

Prefix: pra

Root: mṛj (class 2)

इव (iva) - as if, like, similar to

(indeclinable)

तत् (tat) - that, its (referring to manaḥ)

(pronoun)

Accusative, neuter, singular of tad

tad - that

मिथ्या (mithyā) - falsely, untruly, illusorily; false, illusory

(indeclinable)

महा-मलिन-कर्दमम् (mahā-malina-kardamam) - great, dirty mud/mire, deeply defiling mud

(noun)

Accusative, neuter, singular of mahā-malina-kardama

mahā-malina-kardama - great and dirty mud/mire

Compound type : karmadhāraya (mahā+malina+kardama)

• mahā – great, large
  adjective
• malina – dirty, stained, impure
  adjective (neuter)
• kardama – mud, mire, filth
  noun (neuter)