योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-2, verse-44

निश्चेतसो हि तत्त्वज्ञा नित्यं समपदे स्थिताः ।
लीलया प्रभ्रमन्तीह सत्त्वसंस्थितिहेलया ॥ ४४ ॥

niścetaso hi tattvajñā nityaṃ samapade sthitāḥ ,
līlayā prabhramantīha sattvasaṃsthitihelayā 44

44. niścetasah hi tattvajñāḥ nityam samapade sthitāḥ
līlayā prabhramanti iha sattvasaṃsthitihelayā

44. hi niścetasah tattvajñāḥ nityam samapade sthitāḥ,
iha sattvasaṃsthitihelayā līlayā prabhramanti

44. Indeed, the knowers of truth (tattvajñāḥ) are devoid of mental activity and always remain established in a state of equanimity. They playfully move about in this world, effortlessly, due to their firm establishment in pure being (sattva).

Words meanings summery:

• निश्चेतसह् (niścetasah) - mindless, devoid of consciousness, beyond mind

• हि (hi) - indeed, for, because, certainly

• तत्त्वज्ञाः (tattvajñāḥ) - knowers of truth, knowers of reality

• नित्यम् (nityam) - always, constantly, eternally

• समपदे (samapade) - in the state of equanimity, in the same state, in an even condition

• स्थिताः (sthitāḥ) - situated, standing, established, firm

• लीलया (līlayā) - playfully, easily, spontaneously, by means of play

• प्रभ्रमन्ति (prabhramanti) - they wander, they move about, they roam

• इह (iha) - here, in this world

• सत्त्वसंस्थितिहेलया (sattvasaṁsthitihelayā) - with the ease of being established in pure being (sattva)

Words meanings and morphology

निश्चेतसह् (niścetasah) - mindless, devoid of consciousness, beyond mind

(adjective)

Nominative, masculine, plural of niścetas

niścetas - devoid of mind or consciousness, mindless

compound of nis (without, devoid of) and cetas (mind, consciousness)

Compound type : bahuvrīhi (nis+cetas)

• nis – without, devoid of, out
  indeclinable
  Prefix indicating negation or absence.
• cetas – mind, intellect, consciousness, heart
  noun (neuter)
  Root: cit (class 1)

Note: Qualifies tattvajñāḥ.

हि (hi) - indeed, for, because, certainly

(indeclinable)

Particle of affirmation or causation.

तत्त्वज्ञाः (tattvajñāḥ) - knowers of truth, knowers of reality

(noun)

Nominative, masculine, plural of tattvajña

tattvajña - knower of truth, one who knows reality

compound of tattva (truth, reality, essence) and jña (knower)

Compound type : tatpuruṣa (tattva+jña)

• tattva – truth, reality, principle, essence
  noun (neuter)
• jña – knower, knowing
  adjective (masculine)
  From √jñā (to know)
  Root: jñā (class 9)

Note: Subject of the sentence.

नित्यम् (nityam) - always, constantly, eternally

(indeclinable)

From ni + √i (to go)

Prefix: ni

Root: i (class 2)

Note: Adverb modifying sthitāḥ.

समपदे (samapade) - in the state of equanimity, in the same state, in an even condition

(noun)

Locative, neuter, singular of samapada

samapada - even state, balanced condition, equanimity

compound of sama (equal, even) and pada (state, condition)

Compound type : karmadhāraya (sama+pada)

• sama – same, equal, even, impartial
  adjective
• pada – place, state, condition, foot
  noun (neuter)

Note: Indicates the state in which they are established.

स्थिताः (sthitāḥ) - situated, standing, established, firm

(participle)

Nominative, masculine, plural of sthita

sthita - standing, situated, established, firm, existing

Past Passive Participle

From √sthā (to stand)

Root: sthā (class 1)

Note: Used adjectivally.

लीलया (līlayā) - playfully, easily, spontaneously, by means of play

(noun)

Instrumental, feminine, singular of līlā

līlā - play, sport, game, amusement, ease, spontaneity

From √lī (to cling, to dissolve) with reduplication, or just a noun.

Note: Adverbial use.

प्रभ्रमन्ति (prabhramanti) - they wander, they move about, they roam

(verb)

3rd person , plural, active, present (lat) of bhram

prefixed with pra.

Prefix: pra

Root: bhram (class 1)

Note: Verb for tattvajñāḥ.

इह (iha) - here, in this world

(indeclinable)

Adverb of place.

सत्त्वसंस्थितिहेलया (sattvasaṁsthitihelayā) - with the ease of being established in pure being (sattva)

(noun)

Instrumental, feminine, singular of sattvasaṃsthitihelā

sattvasaṁsthitihelā - the ease of being established in pure being (sattva)

compound of sattva (pure being), saṃsthiti (firm establishment) and helā (ease)

Compound type : tatpuruṣa (sattva+saṃsthiti+helā)

• sattva – pure being, goodness, lucidity (sattva)
  noun (neuter)
  Root: as (class 2)
• saṃsthiti – firm establishment, fixed state, perfect abiding
  noun (feminine)
  From sam-sthā (to stand firm, to be established)
  Prefix: sam
  Root: sthā (class 1)
• helā – play, sport, ease, disregard
  noun (feminine)

Note: Adverbial use, indicates the reason/manner of their wandering.