योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-30, verse-22

हृदयाकाशशशिनश्चेतसो मलमार्जनम् ।
यथा मे जायते ब्रह्मंस्तथा निर्विघ्नमाचर ॥ २२ ॥

hṛdayākāśaśaśinaścetaso malamārjanam ,
yathā me jāyate brahmaṃstathā nirvighnamācara 22

22. hṛdayākāśaśaśinaḥ cetasaḥ malamārjanam yathā
me jāyate brahman tathā nirvighnam ācara

22. brahman,
yathā me hṛdayākāśaśaśinaḥ cetasaḥ malamārjanam jāyate,
tathā nirvighnam ācara

22. O Brahman (brahman), please act (ācara) without impediment (nirvighnam) so that the cleansing of the impurity of my mind (cetas) occurs, (the mind which is) like the moon in the space of the heart (hṛdayākāśa).

Words meanings summery:

• हृदयाकाशशशिनः (hṛdayākāśaśaśinaḥ) - of the mind, which is like the moon in the space of the heart (of the moon in the space of the heart)

• चेतसः (cetasaḥ) - of the mind, of consciousness, of thought

• मलमार्जनम् (malamārjanam) - the cleansing of impurity/filth

• यथा (yathā) - as, just as, in such a way that

• मे (me) - my, of me, to me

• जायते (jāyate) - arises, is born, happens, occurs

• ब्रह्मन् (brahman) - O Brahman (as a respectful address to a sage) (O Brahman, O Supreme Reality, O holy one, O priest)

• तथा (tathā) - so, thus, in that way

• निर्विघ्नम् (nirvighnam) - without impediment, without obstacle

• आचर (ācara) - act, perform, practice, behave

Words meanings and morphology

हृदयाकाशशशिनः (hṛdayākāśaśaśinaḥ) - of the mind, which is like the moon in the space of the heart (of the moon in the space of the heart)

(noun)

Genitive, masculine, singular of hṛdayākāśaśaśin

hṛdayākāśaśaśin - moon in the space of the heart

Compound type : ṣaṣṭhī-tatpuruṣa (hṛdayākāśa+śaśin)

• hṛdaya – heart, mind, soul
  noun (neuter)
• ākāśa – space, ether, sky
  noun (masculine)
• śaśin – moon, rabbit-marked (referring to the marks on the moon)
  noun (masculine)

चेतसः (cetasaḥ) - of the mind, of consciousness, of thought

(noun)

Genitive, neuter, singular of cetas

cetas - mind, consciousness, intellect, thought

Derived from root √cit (to perceive, to understand).

Root: cit (class 1)

मलमार्जनम् (malamārjanam) - the cleansing of impurity/filth

(noun)

Nominative, neuter, singular of malamārjana

malamārjana - cleansing of impurity, removal of dirt

Compound type : ṣaṣṭhī-tatpuruṣa (mala+mārjana)

• mala – impurity, dirt, filth, sin
  noun (neuter)
• mārjana – cleansing, wiping away, purifying, rubbing
  noun (neuter)
  Verbal noun
  Derived from root √mṛj (to wipe, cleanse).
  Root: mṛj (class 2)

यथा (yathā) - as, just as, in such a way that

(indeclinable)

मे (me) - my, of me, to me

(pronoun)

Genitive, singular of mad

mad - I, me

जायते (jāyate) - arises, is born, happens, occurs

(verb)

3rd person , singular, middle, present (lat) of jan

Present Indicative

Root: jan (class 4)

ब्रह्मन् (brahman) - O Brahman (as a respectful address to a sage) (O Brahman, O Supreme Reality, O holy one, O priest)

(noun)

Vocative, masculine, singular of brahman

brahman - Brahman (the Absolute), holy word, sacred knowledge, priest

तथा (tathā) - so, thus, in that way

(indeclinable)

निर्विघ्नम् (nirvighnam) - without impediment, without obstacle

(indeclinable)

Compound type : bahuvrīhi (nis+vighna)

• nis – out, forth, without, negation
  indeclinable
• vighna – obstacle, impediment, difficulty
  noun (masculine)
  Derived from vi-√han (to strike, to obstruct).
  Prefix: vi
  Root: han (class 2)

Note: Adverbial form.

आचर (ācara) - act, perform, practice, behave

(verb)

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

Imperative Mood

Prefix: ā

Root: car (class 1)